Home / 982,890.20-1,474,334.06-309,030.33

Finding the Fourth Proportional to 982,890.20, 1,474,334.06 and 309,030.33

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Solution

The fourth proportional to 982,890.20, 1,474,334.06 and 309,030.33 is: 463,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,890.20 : 1,474,334.06 = 309,030.33 : x
  2. Step 2: Convert to fraction form
    982,890.20/1,474,334.06 = 309,030.33/x
  3. Step 3: Cross multiply
    982,890.20x = 1,474,334.06 × 309,030.33
  4. Step 4: Simplify right side
    982,890.20x = 455,613,939,546.89
  5. Step 5: Solve for x
    x = 455,613,939,546.89/982,890.20
  6. Step 6: Final answer
    x = 463,545.11

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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.