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Finding the Fourth Proportional to 607,051.20, 910,576.80 and 447,618.90

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Solution

The fourth proportional to 607,051.20, 910,576.80 and 447,618.90 is: 671,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,051.20 : 910,576.80 = 447,618.90 : x
  2. Step 2: Convert to fraction form
    607,051.20/910,576.80 = 447,618.90/x
  3. Step 3: Cross multiply
    607,051.20x = 910,576.80 × 447,618.90
  4. Step 4: Simplify right side
    607,051.20x = 407,591,385,581.52
  5. Step 5: Solve for x
    x = 407,591,385,581.52/607,051.20
  6. Step 6: Final answer
    x = 671,428.35

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Similar ratio
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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.