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Finding the Fourth Proportional to 539,555.90, 809,332.43 and 506,671.65

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Solution

The fourth proportional to 539,555.90, 809,332.43 and 506,671.65 is: 760,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,555.90 : 809,332.43 = 506,671.65 : x
  2. Step 2: Convert to fraction form
    539,555.90/809,332.43 = 506,671.65/x
  3. Step 3: Cross multiply
    539,555.90x = 809,332.43 × 506,671.65
  4. Step 4: Simplify right side
    539,555.90x = 410,065,795,173.25
  5. Step 5: Solve for x
    x = 410,065,795,173.25/539,555.90
  6. Step 6: Final answer
    x = 760,006.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.