Home / 646,835.64-970,387.86-272,861.88

Finding the Fourth Proportional to 646,835.64, 970,387.86 and 272,861.88

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Solution

The fourth proportional to 646,835.64, 970,387.86 and 272,861.88 is: 409,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,835.64 : 970,387.86 = 272,861.88 : x
  2. Step 2: Convert to fraction form
    646,835.64/970,387.86 = 272,861.88/x
  3. Step 3: Cross multiply
    646,835.64x = 970,387.86 × 272,861.88
  4. Step 4: Simplify right side
    646,835.64x = 264,781,855,808.78
  5. Step 5: Solve for x
    x = 264,781,855,808.78/646,835.64
  6. Step 6: Final answer
    x = 409,349.52

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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.