Home / 754,053.80-1,131,070.73-185,439.80

Finding the Fourth Proportional to 754,053.80, 1,131,070.73 and 185,439.80

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Solution

The fourth proportional to 754,053.80, 1,131,070.73 and 185,439.80 is: 278,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,053.80 : 1,131,070.73 = 185,439.80 : x
  2. Step 2: Convert to fraction form
    754,053.80/1,131,070.73 = 185,439.80/x
  3. Step 3: Cross multiply
    754,053.80x = 1,131,070.73 × 185,439.80
  4. Step 4: Simplify right side
    754,053.80x = 209,745,523,374.50
  5. Step 5: Solve for x
    x = 209,745,523,374.50/754,053.80
  6. Step 6: Final answer
    x = 278,157.24

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Double scale
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1.5x scale

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.