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Finding the Fourth Proportional to 611,437.59, 917,350.11 and 476,962.72

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Solution

The fourth proportional to 611,437.59, 917,350.11 and 476,962.72 is: 715,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,437.59 : 917,350.11 = 476,962.72 : x
  2. Step 2: Convert to fraction form
    611,437.59/917,350.11 = 476,962.72/x
  3. Step 3: Cross multiply
    611,437.59x = 917,350.11 × 476,962.72
  4. Step 4: Simplify right side
    611,437.59x = 437,541,801,364.52
  5. Step 5: Solve for x
    x = 437,541,801,364.52/611,437.59
  6. Step 6: Final answer
    x = 715,595.19

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1.5x scale

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.