Home / 832,519.42-1,148,876.78-450,546.20

Finding the Fourth Proportional to 832,519.42, 1,148,876.78 and 450,546.20

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Solution

The fourth proportional to 832,519.42, 1,148,876.78 and 450,546.20 is: 621,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,519.42 : 1,148,876.78 = 450,546.20 : x
  2. Step 2: Convert to fraction form
    832,519.42/1,148,876.78 = 450,546.20/x
  3. Step 3: Cross multiply
    832,519.42x = 1,148,876.78 × 450,546.20
  4. Step 4: Simplify right side
    832,519.42x = 517,622,063,343.81
  5. Step 5: Solve for x
    x = 517,622,063,343.81/832,519.42
  6. Step 6: Final answer
    x = 621,753.74

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Double scale
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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.