Home / 987,544.80-1,481,317.20-239,590.80

Finding the Fourth Proportional to 987,544.80, 1,481,317.20 and 239,590.80

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Solution

The fourth proportional to 987,544.80, 1,481,317.20 and 239,590.80 is: 359,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,544.80 : 1,481,317.20 = 239,590.80 : x
  2. Step 2: Convert to fraction form
    987,544.80/1,481,317.20 = 239,590.80/x
  3. Step 3: Cross multiply
    987,544.80x = 1,481,317.20 × 239,590.80
  4. Step 4: Simplify right side
    987,544.80x = 354,909,973,001.76
  5. Step 5: Solve for x
    x = 354,909,973,001.76/987,544.80
  6. Step 6: Final answer
    x = 359,386.20

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Half scale
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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.