Home / 867,079.10-1,300,743.27-268,086.96

Finding the Fourth Proportional to 867,079.10, 1,300,743.27 and 268,086.96

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Solution

The fourth proportional to 867,079.10, 1,300,743.27 and 268,086.96 is: 402,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,079.10 : 1,300,743.27 = 268,086.96 : x
  2. Step 2: Convert to fraction form
    867,079.10/1,300,743.27 = 268,086.96/x
  3. Step 3: Cross multiply
    867,079.10x = 1,300,743.27 × 268,086.96
  4. Step 4: Simplify right side
    867,079.10x = 348,712,308,994.76
  5. Step 5: Solve for x
    x = 348,712,308,994.76/867,079.10
  6. Step 6: Final answer
    x = 402,168.97

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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.