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Finding the Fourth Proportional to 497,248.20, 745,872.30 and 308,291.40

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Solution

The fourth proportional to 497,248.20, 745,872.30 and 308,291.40 is: 462,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,248.20 : 745,872.30 = 308,291.40 : x
  2. Step 2: Convert to fraction form
    497,248.20/745,872.30 = 308,291.40/x
  3. Step 3: Cross multiply
    497,248.20x = 745,872.30 × 308,291.40
  4. Step 4: Simplify right side
    497,248.20x = 229,946,015,588.22
  5. Step 5: Solve for x
    x = 229,946,015,588.22/497,248.20
  6. Step 6: Final answer
    x = 462,437.10

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Similar ratio
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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.