Home / 1,028,977.95-1,543,525.26-319,106.91

Finding the Fourth Proportional to 1,028,977.95, 1,543,525.26 and 319,106.91

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Solution

The fourth proportional to 1,028,977.95, 1,543,525.26 and 319,106.91 is: 478,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,977.95 : 1,543,525.26 = 319,106.91 : x
  2. Step 2: Convert to fraction form
    1,028,977.95/1,543,525.26 = 319,106.91/x
  3. Step 3: Cross multiply
    1,028,977.95x = 1,543,525.26 × 319,106.91
  4. Step 4: Simplify right side
    1,028,977.95x = 492,549,576,225.55
  5. Step 5: Solve for x
    x = 492,549,576,225.55/1,028,977.95
  6. Step 6: Final answer
    x = 478,678.46

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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.