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Finding the Fourth Proportional to 607,310.70, 910,966.05 and 512,832.30

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Solution

The fourth proportional to 607,310.70, 910,966.05 and 512,832.30 is: 769,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,310.70 : 910,966.05 = 512,832.30 : x
  2. Step 2: Convert to fraction form
    607,310.70/910,966.05 = 512,832.30/x
  3. Step 3: Cross multiply
    607,310.70x = 910,966.05 × 512,832.30
  4. Step 4: Simplify right side
    607,310.70x = 467,172,814,643.42
  5. Step 5: Solve for x
    x = 467,172,814,643.42/607,310.70
  6. Step 6: Final answer
    x = 769,248.45

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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.