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Finding the Fourth Proportional to 504,445.86, 756,292.14 and 304,720.92

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Solution

The fourth proportional to 504,445.86, 756,292.14 and 304,720.92 is: 456,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,445.86 : 756,292.14 = 304,720.92 : x
  2. Step 2: Convert to fraction form
    504,445.86/756,292.14 = 304,720.92/x
  3. Step 3: Cross multiply
    504,445.86x = 756,292.14 × 304,720.92
  4. Step 4: Simplify right side
    504,445.86x = 230,458,036,689.57
  5. Step 5: Solve for x
    x = 230,458,036,689.57/504,445.86
  6. Step 6: Final answer
    x = 456,853.86

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Double scale
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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.