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Finding the Fourth Proportional to 450,703.17, 675,082.80 and 424,204.92

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Solution

The fourth proportional to 450,703.17, 675,082.80 and 424,204.92 is: 635,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,703.17 : 675,082.80 = 424,204.92 : x
  2. Step 2: Convert to fraction form
    450,703.17/675,082.80 = 424,204.92/x
  3. Step 3: Cross multiply
    450,703.17x = 675,082.80 × 424,204.92
  4. Step 4: Simplify right side
    450,703.17x = 286,373,445,167.38
  5. Step 5: Solve for x
    x = 286,373,445,167.38/450,703.17
  6. Step 6: Final answer
    x = 635,392.57

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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.