Home / 750,866.40-1,036,221.42-411,334.56

Finding the Fourth Proportional to 750,866.40, 1,036,221.42 and 411,334.56

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Solution

The fourth proportional to 750,866.40, 1,036,221.42 and 411,334.56 is: 567,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,866.40 : 1,036,221.42 = 411,334.56 : x
  2. Step 2: Convert to fraction form
    750,866.40/1,036,221.42 = 411,334.56/x
  3. Step 3: Cross multiply
    750,866.40x = 1,036,221.42 × 411,334.56
  4. Step 4: Simplify right side
    750,866.40x = 426,233,681,858.28
  5. Step 5: Solve for x
    x = 426,233,681,858.28/750,866.40
  6. Step 6: Final answer
    x = 567,655.82

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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.