Home / 909,340.66-1,254,862.65-501,442.30

Finding the Fourth Proportional to 909,340.66, 1,254,862.65 and 501,442.30

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Solution

The fourth proportional to 909,340.66, 1,254,862.65 and 501,442.30 is: 691,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,340.66 : 1,254,862.65 = 501,442.30 : x
  2. Step 2: Convert to fraction form
    909,340.66/1,254,862.65 = 501,442.30/x
  3. Step 3: Cross multiply
    909,340.66x = 1,254,862.65 × 501,442.30
  4. Step 4: Simplify right side
    909,340.66x = 629,241,213,400.10
  5. Step 5: Solve for x
    x = 629,241,213,400.10/909,340.66
  6. Step 6: Final answer
    x = 691,975.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.