Home / 754,815.60-1,132,389.72-328,418.37

Finding the Fourth Proportional to 754,815.60, 1,132,389.72 and 328,418.37

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Solution

The fourth proportional to 754,815.60, 1,132,389.72 and 328,418.37 is: 492,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,815.60 : 1,132,389.72 = 328,418.37 : x
  2. Step 2: Convert to fraction form
    754,815.60/1,132,389.72 = 328,418.37/x
  3. Step 3: Cross multiply
    754,815.60x = 1,132,389.72 × 328,418.37
  4. Step 4: Simplify right side
    754,815.60x = 371,897,586,047.16
  5. Step 5: Solve for x
    x = 371,897,586,047.16/754,815.60
  6. Step 6: Final answer
    x = 492,699.92

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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.