Home / 712,767.32-983,618.82-426,287.36

Finding the Fourth Proportional to 712,767.32, 983,618.82 and 426,287.36

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Solution

The fourth proportional to 712,767.32, 983,618.82 and 426,287.36 is: 588,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,767.32 : 983,618.82 = 426,287.36 : x
  2. Step 2: Convert to fraction form
    712,767.32/983,618.82 = 426,287.36/x
  3. Step 3: Cross multiply
    712,767.32x = 983,618.82 × 426,287.36
  4. Step 4: Simplify right side
    712,767.32x = 419,304,270,024.12
  5. Step 5: Solve for x
    x = 419,304,270,024.12/712,767.32
  6. Step 6: Final answer
    x = 588,276.51

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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.