Home / 732,312.57-1,098,644.25-305,611.05

Finding the Fourth Proportional to 732,312.57, 1,098,644.25 and 305,611.05

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Solution

The fourth proportional to 732,312.57, 1,098,644.25 and 305,611.05 is: 458,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,312.57 : 1,098,644.25 = 305,611.05 : x
  2. Step 2: Convert to fraction form
    732,312.57/1,098,644.25 = 305,611.05/x
  3. Step 3: Cross multiply
    732,312.57x = 1,098,644.25 × 305,611.05
  4. Step 4: Simplify right side
    732,312.57x = 335,757,822,818.96
  5. Step 5: Solve for x
    x = 335,757,822,818.96/732,312.57
  6. Step 6: Final answer
    x = 458,489.77

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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.