Home / 762,273.27-1,052,172.67-490,341.17

Finding the Fourth Proportional to 762,273.27, 1,052,172.67 and 490,341.17

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Solution

The fourth proportional to 762,273.27, 1,052,172.67 and 490,341.17 is: 676,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,273.27 : 1,052,172.67 = 490,341.17 : x
  2. Step 2: Convert to fraction form
    762,273.27/1,052,172.67 = 490,341.17/x
  3. Step 3: Cross multiply
    762,273.27x = 1,052,172.67 × 490,341.17
  4. Step 4: Simplify right side
    762,273.27x = 515,923,578,049.82
  5. Step 5: Solve for x
    x = 515,923,578,049.82/762,273.27
  6. Step 6: Final answer
    x = 676,822.34

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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.