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Finding the Fourth Proportional to 497,246.70, 745,870.05 and 447,480.30

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Solution

The fourth proportional to 497,246.70, 745,870.05 and 447,480.30 is: 671,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,246.70 : 745,870.05 = 447,480.30 : x
  2. Step 2: Convert to fraction form
    497,246.70/745,870.05 = 447,480.30/x
  3. Step 3: Cross multiply
    497,246.70x = 745,870.05 × 447,480.30
  4. Step 4: Simplify right side
    497,246.70x = 333,762,153,735.02
  5. Step 5: Solve for x
    x = 333,762,153,735.02/497,246.70
  6. Step 6: Final answer
    x = 671,220.45

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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.