Home / 750,931.24-1,036,278.90-406,759.18

Finding the Fourth Proportional to 750,931.24, 1,036,278.90 and 406,759.18

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Solution

The fourth proportional to 750,931.24, 1,036,278.90 and 406,759.18 is: 561,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,931.24 : 1,036,278.90 = 406,759.18 : x
  2. Step 2: Convert to fraction form
    750,931.24/1,036,278.90 = 406,759.18/x
  3. Step 3: Cross multiply
    750,931.24x = 1,036,278.90 × 406,759.18
  4. Step 4: Simplify right side
    750,931.24x = 421,515,955,615.30
  5. Step 5: Solve for x
    x = 421,515,955,615.30/750,931.24
  6. Step 6: Final answer
    x = 561,324.30

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1.5x scale

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.