Home / 486,006.40-729,787.20-367,811.20

Finding the Fourth Proportional to 486,006.40, 729,787.20 and 367,811.20

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Solution

The fourth proportional to 486,006.40, 729,787.20 and 367,811.20 is: 552,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,006.40 : 729,787.20 = 367,811.20 : x
  2. Step 2: Convert to fraction form
    486,006.40/729,787.20 = 367,811.20/x
  3. Step 3: Cross multiply
    486,006.40x = 729,787.20 × 367,811.20
  4. Step 4: Simplify right side
    486,006.40x = 268,423,905,776.64
  5. Step 5: Solve for x
    x = 268,423,905,776.64/486,006.40
  6. Step 6: Final answer
    x = 552,305.29

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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.