Home / 927,155.50-1,279,328.44-540,034.64

Finding the Fourth Proportional to 927,155.50, 1,279,328.44 and 540,034.64

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Solution

The fourth proportional to 927,155.50, 1,279,328.44 and 540,034.64 is: 745,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,155.50 : 1,279,328.44 = 540,034.64 : x
  2. Step 2: Convert to fraction form
    927,155.50/1,279,328.44 = 540,034.64/x
  3. Step 3: Cross multiply
    927,155.50x = 1,279,328.44 × 540,034.64
  4. Step 4: Simplify right side
    927,155.50x = 690,881,673,537.16
  5. Step 5: Solve for x
    x = 690,881,673,537.16/927,155.50
  6. Step 6: Final answer
    x = 745,162.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.