Home / 709,073.10-979,795.17-539,011.98

Finding the Fourth Proportional to 709,073.10, 979,795.17 and 539,011.98

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Solution

The fourth proportional to 709,073.10, 979,795.17 and 539,011.98 is: 744,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,073.10 : 979,795.17 = 539,011.98 : x
  2. Step 2: Convert to fraction form
    709,073.10/979,795.17 = 539,011.98/x
  3. Step 3: Cross multiply
    709,073.10x = 979,795.17 × 539,011.98
  4. Step 4: Simplify right side
    709,073.10x = 528,121,334,576.14
  5. Step 5: Solve for x
    x = 528,121,334,576.14/709,073.10
  6. Step 6: Final answer
    x = 744,805.20

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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.