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Finding the Fourth Proportional to 712,761.06, 983,610.14 and 426,281.16

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Solution

The fourth proportional to 712,761.06, 983,610.14 and 426,281.16 is: 588,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,761.06 : 983,610.14 = 426,281.16 : x
  2. Step 2: Convert to fraction form
    712,761.06/983,610.14 = 426,281.16/x
  3. Step 3: Cross multiply
    712,761.06x = 983,610.14 × 426,281.16
  4. Step 4: Simplify right side
    712,761.06x = 419,294,471,466.96
  5. Step 5: Solve for x
    x = 419,294,471,466.96/712,761.06
  6. Step 6: Final answer
    x = 588,267.93

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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.