Home / 712,753.30-983,599.50-426,273.38

Finding the Fourth Proportional to 712,753.30, 983,599.50 and 426,273.38

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Solution

The fourth proportional to 712,753.30, 983,599.50 and 426,273.38 is: 588,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,753.30 : 983,599.50 = 426,273.38 : x
  2. Step 2: Convert to fraction form
    712,753.30/983,599.50 = 426,273.38/x
  3. Step 3: Cross multiply
    712,753.30x = 983,599.50 × 426,273.38
  4. Step 4: Simplify right side
    712,753.30x = 419,282,283,431.31
  5. Step 5: Solve for x
    x = 419,282,283,431.31/712,753.30
  6. Step 6: Final answer
    x = 588,257.23

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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.