Home / 554,029.14-764,087.31-382,221.15

Finding the Fourth Proportional to 554,029.14, 764,087.31 and 382,221.15

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Solution

The fourth proportional to 554,029.14, 764,087.31 and 382,221.15 is: 527,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,029.14 : 764,087.31 = 382,221.15 : x
  2. Step 2: Convert to fraction form
    554,029.14/764,087.31 = 382,221.15/x
  3. Step 3: Cross multiply
    554,029.14x = 764,087.31 × 382,221.15
  4. Step 4: Simplify right side
    554,029.14x = 292,050,330,328.61
  5. Step 5: Solve for x
    x = 292,050,330,328.61/554,029.14
  6. Step 6: Final answer
    x = 527,138.93

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.