Home / 750,875.25-1,036,282.20-428,633.82

Finding the Fourth Proportional to 750,875.25, 1,036,282.20 and 428,633.82

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Solution

The fourth proportional to 750,875.25, 1,036,282.20 and 428,633.82 is: 591,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,875.25 : 1,036,282.20 = 428,633.82 : x
  2. Step 2: Convert to fraction form
    750,875.25/1,036,282.20 = 428,633.82/x
  3. Step 3: Cross multiply
    750,875.25x = 1,036,282.20 × 428,633.82
  4. Step 4: Simplify right side
    750,875.25x = 444,185,597,984.00
  5. Step 5: Solve for x
    x = 444,185,597,984.00/750,875.25
  6. Step 6: Final answer
    x = 591,557.12

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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.