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Finding the Fourth Proportional to 539,064.95, 743,914.82 and 297,357.71

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Solution

The fourth proportional to 539,064.95, 743,914.82 and 297,357.71 is: 410,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,064.95 : 743,914.82 = 297,357.71 : x
  2. Step 2: Convert to fraction form
    539,064.95/743,914.82 = 297,357.71/x
  3. Step 3: Cross multiply
    539,064.95x = 743,914.82 × 297,357.71
  4. Step 4: Simplify right side
    539,064.95x = 221,208,807,310.26
  5. Step 5: Solve for x
    x = 221,208,807,310.26/539,064.95
  6. Step 6: Final answer
    x = 410,356.50

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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.