Home / 646,790.40-970,331.04-197,473.68

Finding the Fourth Proportional to 646,790.40, 970,331.04 and 197,473.68

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Solution

The fourth proportional to 646,790.40, 970,331.04 and 197,473.68 is: 296,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,790.40 : 970,331.04 = 197,473.68 : x
  2. Step 2: Convert to fraction form
    646,790.40/970,331.04 = 197,473.68/x
  3. Step 3: Cross multiply
    646,790.40x = 970,331.04 × 197,473.68
  4. Step 4: Simplify right side
    646,790.40x = 191,614,841,287.03
  5. Step 5: Solve for x
    x = 191,614,841,287.03/646,790.40
  6. Step 6: Final answer
    x = 296,254.92

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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.