Home / 690,090.50-1,034,296.43-369,454.43

Finding the Fourth Proportional to 690,090.50, 1,034,296.43 and 369,454.43

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Solution

The fourth proportional to 690,090.50, 1,034,296.43 and 369,454.43 is: 553,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,090.50 : 1,034,296.43 = 369,454.43 : x
  2. Step 2: Convert to fraction form
    690,090.50/1,034,296.43 = 369,454.43/x
  3. Step 3: Cross multiply
    690,090.50x = 1,034,296.43 × 369,454.43
  4. Step 4: Simplify right side
    690,090.50x = 382,125,390,977.93
  5. Step 5: Solve for x
    x = 382,125,390,977.93/690,090.50
  6. Step 6: Final answer
    x = 553,732.29

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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.