Home / 961,725.72-1,442,719.80-400,629

Finding the Fourth Proportional to 961,725.72, 1,442,719.80 and 400,629

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Solution

The fourth proportional to 961,725.72, 1,442,719.80 and 400,629 is: 600,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,725.72 : 1,442,719.80 = 400,629 : x
  2. Step 2: Convert to fraction form
    961,725.72/1,442,719.80 = 400,629/x
  3. Step 3: Cross multiply
    961,725.72x = 1,442,719.80 × 400,629
  4. Step 4: Simplify right side
    961,725.72x = 577,995,390,754.20
  5. Step 5: Solve for x
    x = 577,995,390,754.20/961,725.72
  6. Step 6: Final answer
    x = 600,998.16

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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.