Home / 719,029.08-1,078,390.50-213,453

Finding the Fourth Proportional to 719,029.08, 1,078,390.50 and 213,453

Calculator

Solution

The fourth proportional to 719,029.08, 1,078,390.50 and 213,453 is: 320,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,029.08 : 1,078,390.50 = 213,453 : x
  2. Step 2: Convert to fraction form
    719,029.08/1,078,390.50 = 213,453/x
  3. Step 3: Cross multiply
    719,029.08x = 1,078,390.50 × 213,453
  4. Step 4: Simplify right side
    719,029.08x = 230,185,687,396.50
  5. Step 5: Solve for x
    x = 230,185,687,396.50/719,029.08
  6. Step 6: Final answer
    x = 320,134.04

Related Problems

Find fourth proportional to 359,514.54, 539,195.25 and 106,726.50
Half scale
Find fourth proportional to 1,438,058.16, 2,156,781 and 426,906
Double scale
Find fourth proportional to 719,030.08, 1,078,392 and 213,454
Similar ratio
Find fourth proportional to 1,078,543.62, 1,617,585.75 and 320,179.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.