Home / 752,369.06-1,128,549.80-266,411.72

Finding the Fourth Proportional to 752,369.06, 1,128,549.80 and 266,411.72

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Solution

The fourth proportional to 752,369.06, 1,128,549.80 and 266,411.72 is: 399,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,369.06 : 1,128,549.80 = 266,411.72 : x
  2. Step 2: Convert to fraction form
    752,369.06/1,128,549.80 = 266,411.72/x
  3. Step 3: Cross multiply
    752,369.06x = 1,128,549.80 × 266,411.72
  4. Step 4: Simplify right side
    752,369.06x = 300,658,893,323.66
  5. Step 5: Solve for x
    x = 300,658,893,323.66/752,369.06
  6. Step 6: Final answer
    x = 399,616.24

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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.