Home / 918,110.10-1,377,165.15-492,957.30

Finding the Fourth Proportional to 918,110.10, 1,377,165.15 and 492,957.30

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Solution

The fourth proportional to 918,110.10, 1,377,165.15 and 492,957.30 is: 739,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,110.10 : 1,377,165.15 = 492,957.30 : x
  2. Step 2: Convert to fraction form
    918,110.10/1,377,165.15 = 492,957.30/x
  3. Step 3: Cross multiply
    918,110.10x = 1,377,165.15 × 492,957.30
  4. Step 4: Simplify right side
    918,110.10x = 678,883,613,998.10
  5. Step 5: Solve for x
    x = 678,883,613,998.10/918,110.10
  6. Step 6: Final answer
    x = 739,435.95

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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.