Home / 842,436.48-1,162,560.66-479,860.20

Finding the Fourth Proportional to 842,436.48, 1,162,560.66 and 479,860.20

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Solution

The fourth proportional to 842,436.48, 1,162,560.66 and 479,860.20 is: 662,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,436.48 : 1,162,560.66 = 479,860.20 : x
  2. Step 2: Convert to fraction form
    842,436.48/1,162,560.66 = 479,860.20/x
  3. Step 3: Cross multiply
    842,436.48x = 1,162,560.66 × 479,860.20
  4. Step 4: Simplify right side
    842,436.48x = 557,866,590,819.73
  5. Step 5: Solve for x
    x = 557,866,590,819.73/842,436.48
  6. Step 6: Final answer
    x = 662,206.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.