Home / 749,982.96-1,125,061.72-263,515.60

Finding the Fourth Proportional to 749,982.96, 1,125,061.72 and 263,515.60

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Solution

The fourth proportional to 749,982.96, 1,125,061.72 and 263,515.60 is: 395,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,982.96 : 1,125,061.72 = 263,515.60 : x
  2. Step 2: Convert to fraction form
    749,982.96/1,125,061.72 = 263,515.60/x
  3. Step 3: Cross multiply
    749,982.96x = 1,125,061.72 × 263,515.60
  4. Step 4: Simplify right side
    749,982.96x = 296,471,314,182.83
  5. Step 5: Solve for x
    x = 296,471,314,182.83/749,982.96
  6. Step 6: Final answer
    x = 395,304.07

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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.