Home / 750,999.90-1,126,499.85-550,233.30

Finding the Fourth Proportional to 750,999.90, 1,126,499.85 and 550,233.30

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Solution

The fourth proportional to 750,999.90, 1,126,499.85 and 550,233.30 is: 825,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,999.90 : 1,126,499.85 = 550,233.30 : x
  2. Step 2: Convert to fraction form
    750,999.90/1,126,499.85 = 550,233.30/x
  3. Step 3: Cross multiply
    750,999.90x = 1,126,499.85 × 550,233.30
  4. Step 4: Simplify right side
    750,999.90x = 619,837,729,915.01
  5. Step 5: Solve for x
    x = 619,837,729,915.01/750,999.90
  6. Step 6: Final answer
    x = 825,349.95

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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.