Home / 313,654.15-470,490.45-76,996.83

Finding the Fourth Proportional to 313,654.15, 470,490.45 and 76,996.83

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Solution

The fourth proportional to 313,654.15, 470,490.45 and 76,996.83 is: 115,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,654.15 : 470,490.45 = 76,996.83 : x
  2. Step 2: Convert to fraction form
    313,654.15/470,490.45 = 76,996.83/x
  3. Step 3: Cross multiply
    313,654.15x = 470,490.45 × 76,996.83
  4. Step 4: Simplify right side
    313,654.15x = 36,226,272,240.92
  5. Step 5: Solve for x
    x = 36,226,272,240.92/313,654.15
  6. Step 6: Final answer
    x = 115,497.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.