Home / 639,363.86-882,654.23-467,088.40

Finding the Fourth Proportional to 639,363.86, 882,654.23 and 467,088.40

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Solution

The fourth proportional to 639,363.86, 882,654.23 and 467,088.40 is: 644,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,363.86 : 882,654.23 = 467,088.40 : x
  2. Step 2: Convert to fraction form
    639,363.86/882,654.23 = 467,088.40/x
  3. Step 3: Cross multiply
    639,363.86x = 882,654.23 × 467,088.40
  4. Step 4: Simplify right side
    639,363.86x = 412,277,547,630.66
  5. Step 5: Solve for x
    x = 412,277,547,630.66/639,363.86
  6. Step 6: Final answer
    x = 644,824.61

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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.