Home / 749,122.13-1,033,788.54-409,590.38

Finding the Fourth Proportional to 749,122.13, 1,033,788.54 and 409,590.38

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Solution

The fourth proportional to 749,122.13, 1,033,788.54 and 409,590.38 is: 565,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,122.13 : 1,033,788.54 = 409,590.38 : x
  2. Step 2: Convert to fraction form
    749,122.13/1,033,788.54 = 409,590.38/x
  3. Step 3: Cross multiply
    749,122.13x = 1,033,788.54 × 409,590.38
  4. Step 4: Simplify right side
    749,122.13x = 423,429,833,721.35
  5. Step 5: Solve for x
    x = 423,429,833,721.35/749,122.13
  6. Step 6: Final answer
    x = 565,234.72

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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.