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Finding the Fourth Proportional to 497,325.80, 745,113.90 and 408,096.20

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Solution

The fourth proportional to 497,325.80, 745,113.90 and 408,096.20 is: 611,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,325.80 : 745,113.90 = 408,096.20 : x
  2. Step 2: Convert to fraction form
    497,325.80/745,113.90 = 408,096.20/x
  3. Step 3: Cross multiply
    497,325.80x = 745,113.90 × 408,096.20
  4. Step 4: Simplify right side
    497,325.80x = 304,078,151,157.18
  5. Step 5: Solve for x
    x = 304,078,151,157.18/497,325.80
  6. Step 6: Final answer
    x = 611,426.46

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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.