Home / 754,686.40-1,132,029.60-355,194.40

Finding the Fourth Proportional to 754,686.40, 1,132,029.60 and 355,194.40

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Solution

The fourth proportional to 754,686.40, 1,132,029.60 and 355,194.40 is: 532,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,686.40 : 1,132,029.60 = 355,194.40 : x
  2. Step 2: Convert to fraction form
    754,686.40/1,132,029.60 = 355,194.40/x
  3. Step 3: Cross multiply
    754,686.40x = 1,132,029.60 × 355,194.40
  4. Step 4: Simplify right side
    754,686.40x = 402,090,574,554.24
  5. Step 5: Solve for x
    x = 402,090,574,554.24/754,686.40
  6. Step 6: Final answer
    x = 532,791.60

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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.