Home / 918,117.30-1,377,175.95-558,866.10

Finding the Fourth Proportional to 918,117.30, 1,377,175.95 and 558,866.10

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Solution

The fourth proportional to 918,117.30, 1,377,175.95 and 558,866.10 is: 838,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,117.30 : 1,377,175.95 = 558,866.10 : x
  2. Step 2: Convert to fraction form
    918,117.30/1,377,175.95 = 558,866.10/x
  3. Step 3: Cross multiply
    918,117.30x = 1,377,175.95 × 558,866.10
  4. Step 4: Simplify right side
    918,117.30x = 769,656,952,190.30
  5. Step 5: Solve for x
    x = 769,656,952,190.30/918,117.30
  6. Step 6: Final answer
    x = 838,299.15

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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.