Home / 749,484.64-1,034,305.20-409,952.90

Finding the Fourth Proportional to 749,484.64, 1,034,305.20 and 409,952.90

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Solution

The fourth proportional to 749,484.64, 1,034,305.20 and 409,952.90 is: 565,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,484.64 : 1,034,305.20 = 409,952.90 : x
  2. Step 2: Convert to fraction form
    749,484.64/1,034,305.20 = 409,952.90/x
  3. Step 3: Cross multiply
    749,484.64x = 1,034,305.20 × 409,952.90
  4. Step 4: Simplify right side
    749,484.64x = 424,016,416,225.08
  5. Step 5: Solve for x
    x = 424,016,416,225.08/749,484.64
  6. Step 6: Final answer
    x = 565,743.97

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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.