Home / 918,527.28-1,377,484.16-385,949.04

Finding the Fourth Proportional to 918,527.28, 1,377,484.16 and 385,949.04

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Solution

The fourth proportional to 918,527.28, 1,377,484.16 and 385,949.04 is: 578,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,527.28 : 1,377,484.16 = 385,949.04 : x
  2. Step 2: Convert to fraction form
    918,527.28/1,377,484.16 = 385,949.04/x
  3. Step 3: Cross multiply
    918,527.28x = 1,377,484.16 × 385,949.04
  4. Step 4: Simplify right side
    918,527.28x = 531,638,689,167.21
  5. Step 5: Solve for x
    x = 531,638,689,167.21/918,527.28
  6. Step 6: Final answer
    x = 578,794.66

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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.