Home / 832,297.44-1,247,921.28-458,582.88

Finding the Fourth Proportional to 832,297.44, 1,247,921.28 and 458,582.88

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Solution

The fourth proportional to 832,297.44, 1,247,921.28 and 458,582.88 is: 687,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,297.44 : 1,247,921.28 = 458,582.88 : x
  2. Step 2: Convert to fraction form
    832,297.44/1,247,921.28 = 458,582.88/x
  3. Step 3: Cross multiply
    832,297.44x = 1,247,921.28 × 458,582.88
  4. Step 4: Simplify right side
    832,297.44x = 572,275,334,595.69
  5. Step 5: Solve for x
    x = 572,275,334,595.69/832,297.44
  6. Step 6: Final answer
    x = 687,585.12

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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.