Home / 581,435.28-802,152.92-428,839.79

Finding the Fourth Proportional to 581,435.28, 802,152.92 and 428,839.79

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Solution

The fourth proportional to 581,435.28, 802,152.92 and 428,839.79 is: 591,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,435.28 : 802,152.92 = 428,839.79 : x
  2. Step 2: Convert to fraction form
    581,435.28/802,152.92 = 428,839.79/x
  3. Step 3: Cross multiply
    581,435.28x = 802,152.92 × 428,839.79
  4. Step 4: Simplify right side
    581,435.28x = 343,995,086,822.02
  5. Step 5: Solve for x
    x = 343,995,086,822.02/581,435.28
  6. Step 6: Final answer
    x = 591,630.92

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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.