Home / 755,769.76-1,043,009.42-416,237.92

Finding the Fourth Proportional to 755,769.76, 1,043,009.42 and 416,237.92

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Solution

The fourth proportional to 755,769.76, 1,043,009.42 and 416,237.92 is: 574,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,769.76 : 1,043,009.42 = 416,237.92 : x
  2. Step 2: Convert to fraction form
    755,769.76/1,043,009.42 = 416,237.92/x
  3. Step 3: Cross multiply
    755,769.76x = 1,043,009.42 × 416,237.92
  4. Step 4: Simplify right side
    755,769.76x = 434,140,071,521.21
  5. Step 5: Solve for x
    x = 434,140,071,521.21/755,769.76
  6. Step 6: Final answer
    x = 574,434.30

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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.