Home / 648,609.04-972,965.40-227,979.28

Finding the Fourth Proportional to 648,609.04, 972,965.40 and 227,979.28

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Solution

The fourth proportional to 648,609.04, 972,965.40 and 227,979.28 is: 341,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,609.04 : 972,965.40 = 227,979.28 : x
  2. Step 2: Convert to fraction form
    648,609.04/972,965.40 = 227,979.28/x
  3. Step 3: Cross multiply
    648,609.04x = 972,965.40 × 227,979.28
  4. Step 4: Simplify right side
    648,609.04x = 221,815,951,356.91
  5. Step 5: Solve for x
    x = 221,815,951,356.91/648,609.04
  6. Step 6: Final answer
    x = 341,987.14

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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.