Home / 724,714.65-1,086,730.47-268,990.11

Finding the Fourth Proportional to 724,714.65, 1,086,730.47 and 268,990.11

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Solution

The fourth proportional to 724,714.65, 1,086,730.47 and 268,990.11 is: 403,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,714.65 : 1,086,730.47 = 268,990.11 : x
  2. Step 2: Convert to fraction form
    724,714.65/1,086,730.47 = 268,990.11/x
  3. Step 3: Cross multiply
    724,714.65x = 1,086,730.47 × 268,990.11
  4. Step 4: Simplify right side
    724,714.65x = 292,319,748,665.65
  5. Step 5: Solve for x
    x = 292,319,748,665.65/724,714.65
  6. Step 6: Final answer
    x = 403,358.41

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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.