Home / 664,331.20-916,827.80-377,834.20

Finding the Fourth Proportional to 664,331.20, 916,827.80 and 377,834.20

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Solution

The fourth proportional to 664,331.20, 916,827.80 and 377,834.20 is: 521,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,331.20 : 916,827.80 = 377,834.20 : x
  2. Step 2: Convert to fraction form
    664,331.20/916,827.80 = 377,834.20/x
  3. Step 3: Cross multiply
    664,331.20x = 916,827.80 × 377,834.20
  4. Step 4: Simplify right side
    664,331.20x = 346,408,898,350.76
  5. Step 5: Solve for x
    x = 346,408,898,350.76/664,331.20
  6. Step 6: Final answer
    x = 521,440.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.