Home / 639,155.76-882,005.40-367,032.24

Finding the Fourth Proportional to 639,155.76, 882,005.40 and 367,032.24

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Solution

The fourth proportional to 639,155.76, 882,005.40 and 367,032.24 is: 506,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,155.76 : 882,005.40 = 367,032.24 : x
  2. Step 2: Convert to fraction form
    639,155.76/882,005.40 = 367,032.24/x
  3. Step 3: Cross multiply
    639,155.76x = 882,005.40 × 367,032.24
  4. Step 4: Simplify right side
    639,155.76x = 323,724,417,654.10
  5. Step 5: Solve for x
    x = 323,724,417,654.10/639,155.76
  6. Step 6: Final answer
    x = 506,487.52

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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.