Home / 458,417.10-687,625.65-334,001.10

Finding the Fourth Proportional to 458,417.10, 687,625.65 and 334,001.10

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Solution

The fourth proportional to 458,417.10, 687,625.65 and 334,001.10 is: 501,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,417.10 : 687,625.65 = 334,001.10 : x
  2. Step 2: Convert to fraction form
    458,417.10/687,625.65 = 334,001.10/x
  3. Step 3: Cross multiply
    458,417.10x = 687,625.65 × 334,001.10
  4. Step 4: Simplify right side
    458,417.10x = 229,667,723,488.22
  5. Step 5: Solve for x
    x = 229,667,723,488.22/458,417.10
  6. Step 6: Final answer
    x = 501,001.65

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Similar ratio
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1.5x scale

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.