Home / 988,034.76-1,482,058.08-278,069.22

Finding the Fourth Proportional to 988,034.76, 1,482,058.08 and 278,069.22

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Solution

The fourth proportional to 988,034.76, 1,482,058.08 and 278,069.22 is: 417,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,034.76 : 1,482,058.08 = 278,069.22 : x
  2. Step 2: Convert to fraction form
    988,034.76/1,482,058.08 = 278,069.22/x
  3. Step 3: Cross multiply
    988,034.76x = 1,482,058.08 × 278,069.22
  4. Step 4: Simplify right side
    988,034.76x = 412,114,734,300.30
  5. Step 5: Solve for x
    x = 412,114,734,300.30/988,034.76
  6. Step 6: Final answer
    x = 417,105.50

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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.