Home / 750,811.32-1,036,136.36-428,514.96

Finding the Fourth Proportional to 750,811.32, 1,036,136.36 and 428,514.96

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Solution

The fourth proportional to 750,811.32, 1,036,136.36 and 428,514.96 is: 591,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,811.32 : 1,036,136.36 = 428,514.96 : x
  2. Step 2: Convert to fraction form
    750,811.32/1,036,136.36 = 428,514.96/x
  3. Step 3: Cross multiply
    750,811.32x = 1,036,136.36 × 428,514.96
  4. Step 4: Simplify right side
    750,811.32x = 443,999,930,859.95
  5. Step 5: Solve for x
    x = 443,999,930,859.95/750,811.32
  6. Step 6: Final answer
    x = 591,360.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.