Home / 529,220.27-730,386.57-314,361.20

Finding the Fourth Proportional to 529,220.27, 730,386.57 and 314,361.20

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Solution

The fourth proportional to 529,220.27, 730,386.57 and 314,361.20 is: 433,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,220.27 : 730,386.57 = 314,361.20 : x
  2. Step 2: Convert to fraction form
    529,220.27/730,386.57 = 314,361.20/x
  3. Step 3: Cross multiply
    529,220.27x = 730,386.57 × 314,361.20
  4. Step 4: Simplify right side
    529,220.27x = 229,605,194,957.15
  5. Step 5: Solve for x
    x = 229,605,194,957.15/529,220.27
  6. Step 6: Final answer
    x = 433,855.64

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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.