Home / 730,272.19-1,007,822.92-407,984.03

Finding the Fourth Proportional to 730,272.19, 1,007,822.92 and 407,984.03

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Solution

The fourth proportional to 730,272.19, 1,007,822.92 and 407,984.03 is: 563,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,272.19 : 1,007,822.92 = 407,984.03 : x
  2. Step 2: Convert to fraction form
    730,272.19/1,007,822.92 = 407,984.03/x
  3. Step 3: Cross multiply
    730,272.19x = 1,007,822.92 × 407,984.03
  4. Step 4: Simplify right side
    730,272.19x = 411,175,656,427.97
  5. Step 5: Solve for x
    x = 411,175,656,427.97/730,272.19
  6. Step 6: Final answer
    x = 563,044.39

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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.