Home / 755,260.09-1,132,890.15-281,982.36

Finding the Fourth Proportional to 755,260.09, 1,132,890.15 and 281,982.36

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Solution

The fourth proportional to 755,260.09, 1,132,890.15 and 281,982.36 is: 422,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,260.09 : 1,132,890.15 = 281,982.36 : x
  2. Step 2: Convert to fraction form
    755,260.09/1,132,890.15 = 281,982.36/x
  3. Step 3: Cross multiply
    755,260.09x = 1,132,890.15 × 281,982.36
  4. Step 4: Simplify right side
    755,260.09x = 319,455,038,117.75
  5. Step 5: Solve for x
    x = 319,455,038,117.75/755,260.09
  6. Step 6: Final answer
    x = 422,973.55

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1.5x scale

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.