Home / 982,688.80-1,474,033.20-317,840.80

Finding the Fourth Proportional to 982,688.80, 1,474,033.20 and 317,840.80

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Solution

The fourth proportional to 982,688.80, 1,474,033.20 and 317,840.80 is: 476,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,688.80 : 1,474,033.20 = 317,840.80 : x
  2. Step 2: Convert to fraction form
    982,688.80/1,474,033.20 = 317,840.80/x
  3. Step 3: Cross multiply
    982,688.80x = 1,474,033.20 × 317,840.80
  4. Step 4: Simplify right side
    982,688.80x = 468,507,891,514.56
  5. Step 5: Solve for x
    x = 468,507,891,514.56/982,688.80
  6. Step 6: Final answer
    x = 476,761.20

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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.