Home / 1,377,332.40-2,065,998.60-478,475.40

Finding the Fourth Proportional to 1,377,332.40, 2,065,998.60 and 478,475.40

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Solution

The fourth proportional to 1,377,332.40, 2,065,998.60 and 478,475.40 is: 717,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,332.40 : 2,065,998.60 = 478,475.40 : x
  2. Step 2: Convert to fraction form
    1,377,332.40/2,065,998.60 = 478,475.40/x
  3. Step 3: Cross multiply
    1,377,332.40x = 2,065,998.60 × 478,475.40
  4. Step 4: Simplify right side
    1,377,332.40x = 988,529,506,534.44
  5. Step 5: Solve for x
    x = 988,529,506,534.44/1,377,332.40
  6. Step 6: Final answer
    x = 717,713.10

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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.