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Finding the Fourth Proportional to 749,301, 1,123,655.64 and 299,938.11

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Solution

The fourth proportional to 749,301, 1,123,655.64 and 299,938.11 is: 449,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,301 : 1,123,655.64 = 299,938.11 : x
  2. Step 2: Convert to fraction form
    749,301/1,123,655.64 = 299,938.11/x
  3. Step 3: Cross multiply
    749,301x = 1,123,655.64 × 299,938.11
  4. Step 4: Simplify right side
    749,301x = 337,027,148,952.44
  5. Step 5: Solve for x
    x = 337,027,148,952.44/749,301
  6. Step 6: Final answer
    x = 449,788.74

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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.