Home / 891,239.76-1,229,847.30-504,053.28

Finding the Fourth Proportional to 891,239.76, 1,229,847.30 and 504,053.28

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Solution

The fourth proportional to 891,239.76, 1,229,847.30 and 504,053.28 is: 695,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,239.76 : 1,229,847.30 = 504,053.28 : x
  2. Step 2: Convert to fraction form
    891,239.76/1,229,847.30 = 504,053.28/x
  3. Step 3: Cross multiply
    891,239.76x = 1,229,847.30 × 504,053.28
  4. Step 4: Simplify right side
    891,239.76x = 619,908,565,464.14
  5. Step 5: Solve for x
    x = 619,908,565,464.14/891,239.76
  6. Step 6: Final answer
    x = 695,557.57

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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.