Home / 867,246.30-1,300,869.45-727,278.30

Finding the Fourth Proportional to 867,246.30, 1,300,869.45 and 727,278.30

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Solution

The fourth proportional to 867,246.30, 1,300,869.45 and 727,278.30 is: 1,090,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,246.30 : 1,300,869.45 = 727,278.30 : x
  2. Step 2: Convert to fraction form
    867,246.30/1,300,869.45 = 727,278.30/x
  3. Step 3: Cross multiply
    867,246.30x = 1,300,869.45 × 727,278.30
  4. Step 4: Simplify right side
    867,246.30x = 946,094,122,117.94
  5. Step 5: Solve for x
    x = 946,094,122,117.94/867,246.30
  6. Step 6: Final answer
    x = 1,090,917.45

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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.