Home / 842,532.18-1,162,410.47-479,699.36

Finding the Fourth Proportional to 842,532.18, 1,162,410.47 and 479,699.36

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Solution

The fourth proportional to 842,532.18, 1,162,410.47 and 479,699.36 is: 661,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,532.18 : 1,162,410.47 = 479,699.36 : x
  2. Step 2: Convert to fraction form
    842,532.18/1,162,410.47 = 479,699.36/x
  3. Step 3: Cross multiply
    842,532.18x = 1,162,410.47 × 479,699.36
  4. Step 4: Simplify right side
    842,532.18x = 557,607,564,351.38
  5. Step 5: Solve for x
    x = 557,607,564,351.38/842,532.18
  6. Step 6: Final answer
    x = 661,823.46

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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.