Home / 755,409.60-1,133,114.40-282,069.90

Finding the Fourth Proportional to 755,409.60, 1,133,114.40 and 282,069.90

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Solution

The fourth proportional to 755,409.60, 1,133,114.40 and 282,069.90 is: 423,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,409.60 : 1,133,114.40 = 282,069.90 : x
  2. Step 2: Convert to fraction form
    755,409.60/1,133,114.40 = 282,069.90/x
  3. Step 3: Cross multiply
    755,409.60x = 1,133,114.40 × 282,069.90
  4. Step 4: Simplify right side
    755,409.60x = 319,617,465,496.56
  5. Step 5: Solve for x
    x = 319,617,465,496.56/755,409.60
  6. Step 6: Final answer
    x = 423,104.85

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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.