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Finding the Fourth Proportional to 496,386.83, 744,790.23 and 271,484.70

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Solution

The fourth proportional to 496,386.83, 744,790.23 and 271,484.70 is: 407,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,386.83 : 744,790.23 = 271,484.70 : x
  2. Step 2: Convert to fraction form
    496,386.83/744,790.23 = 271,484.70/x
  3. Step 3: Cross multiply
    496,386.83x = 744,790.23 × 271,484.70
  4. Step 4: Simplify right side
    496,386.83x = 202,199,152,154.48
  5. Step 5: Solve for x
    x = 202,199,152,154.48/496,386.83
  6. Step 6: Final answer
    x = 407,341.90

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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.