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Finding the Fourth Proportional to 539,597.94, 744,646.26 and 297,880.83

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Solution

The fourth proportional to 539,597.94, 744,646.26 and 297,880.83 is: 411,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,597.94 : 744,646.26 = 297,880.83 : x
  2. Step 2: Convert to fraction form
    539,597.94/744,646.26 = 297,880.83/x
  3. Step 3: Cross multiply
    539,597.94x = 744,646.26 × 297,880.83
  4. Step 4: Simplify right side
    539,597.94x = 221,815,845,985.20
  5. Step 5: Solve for x
    x = 221,815,845,985.20/539,597.94
  6. Step 6: Final answer
    x = 411,076.15

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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.