Home / 749,452.50-1,034,244.45-409,920.75

Finding the Fourth Proportional to 749,452.50, 1,034,244.45 and 409,920.75

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Solution

The fourth proportional to 749,452.50, 1,034,244.45 and 409,920.75 is: 565,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,452.50 : 1,034,244.45 = 409,920.75 : x
  2. Step 2: Convert to fraction form
    749,452.50/1,034,244.45 = 409,920.75/x
  3. Step 3: Cross multiply
    749,452.50x = 1,034,244.45 × 409,920.75
  4. Step 4: Simplify right side
    749,452.50x = 423,958,260,627.34
  5. Step 5: Solve for x
    x = 423,958,260,627.34/749,452.50
  6. Step 6: Final answer
    x = 565,690.64

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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.