Home / 880,440.70-1,320,661.05-408,048.70

Finding the Fourth Proportional to 880,440.70, 1,320,661.05 and 408,048.70

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Solution

The fourth proportional to 880,440.70, 1,320,661.05 and 408,048.70 is: 612,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,440.70 : 1,320,661.05 = 408,048.70 : x
  2. Step 2: Convert to fraction form
    880,440.70/1,320,661.05 = 408,048.70/x
  3. Step 3: Cross multiply
    880,440.70x = 1,320,661.05 × 408,048.70
  4. Step 4: Simplify right side
    880,440.70x = 538,894,024,593.14
  5. Step 5: Solve for x
    x = 538,894,024,593.14/880,440.70
  6. Step 6: Final answer
    x = 612,073.05

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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.