Home / 754,583.96-1,129,983.03-450,790.69

Finding the Fourth Proportional to 754,583.96, 1,129,983.03 and 450,790.69

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Solution

The fourth proportional to 754,583.96, 1,129,983.03 and 450,790.69 is: 675,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,583.96 : 1,129,983.03 = 450,790.69 : x
  2. Step 2: Convert to fraction form
    754,583.96/1,129,983.03 = 450,790.69/x
  3. Step 3: Cross multiply
    754,583.96x = 1,129,983.03 × 450,790.69
  4. Step 4: Simplify right side
    754,583.96x = 509,385,826,957.03
  5. Step 5: Solve for x
    x = 509,385,826,957.03/754,583.96
  6. Step 6: Final answer
    x = 675,055.21

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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.