Home / 749,923.20-1,034,889.12-410,390.40

Finding the Fourth Proportional to 749,923.20, 1,034,889.12 and 410,390.40

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Solution

The fourth proportional to 749,923.20, 1,034,889.12 and 410,390.40 is: 566,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,923.20 : 1,034,889.12 = 410,390.40 : x
  2. Step 2: Convert to fraction form
    749,923.20/1,034,889.12 = 410,390.40/x
  3. Step 3: Cross multiply
    749,923.20x = 1,034,889.12 × 410,390.40
  4. Step 4: Simplify right side
    749,923.20x = 424,708,559,912.45
  5. Step 5: Solve for x
    x = 424,708,559,912.45/749,923.20
  6. Step 6: Final answer
    x = 566,336.07

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.