Home / 918,140.20-1,377,210.30-544,892.20

Finding the Fourth Proportional to 918,140.20, 1,377,210.30 and 544,892.20

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Solution

The fourth proportional to 918,140.20, 1,377,210.30 and 544,892.20 is: 817,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,140.20 : 1,377,210.30 = 544,892.20 : x
  2. Step 2: Convert to fraction form
    918,140.20/1,377,210.30 = 544,892.20/x
  3. Step 3: Cross multiply
    918,140.20x = 1,377,210.30 × 544,892.20
  4. Step 4: Simplify right side
    918,140.20x = 750,431,150,229.66
  5. Step 5: Solve for x
    x = 750,431,150,229.66/918,140.20
  6. Step 6: Final answer
    x = 817,338.30

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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.