Home / 639,155.73-882,005.40-367,032.18

Finding the Fourth Proportional to 639,155.73, 882,005.40 and 367,032.18

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Solution

The fourth proportional to 639,155.73, 882,005.40 and 367,032.18 is: 506,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,155.73 : 882,005.40 = 367,032.18 : x
  2. Step 2: Convert to fraction form
    639,155.73/882,005.40 = 367,032.18/x
  3. Step 3: Cross multiply
    639,155.73x = 882,005.40 × 367,032.18
  4. Step 4: Simplify right side
    639,155.73x = 323,724,364,733.77
  5. Step 5: Solve for x
    x = 323,724,364,733.77/639,155.73
  6. Step 6: Final answer
    x = 506,487.46

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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.