Home / 918,625.47-1,267,808.00-510,767.79

Finding the Fourth Proportional to 918,625.47, 1,267,808.00 and 510,767.79

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Solution

The fourth proportional to 918,625.47, 1,267,808.00 and 510,767.79 is: 704,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,625.47 : 1,267,808.00 = 510,767.79 : x
  2. Step 2: Convert to fraction form
    918,625.47/1,267,808.00 = 510,767.79/x
  3. Step 3: Cross multiply
    918,625.47x = 1,267,808.00 × 510,767.79
  4. Step 4: Simplify right side
    918,625.47x = 647,555,487,750.48
  5. Step 5: Solve for x
    x = 647,555,487,750.48/918,625.47
  6. Step 6: Final answer
    x = 704,917.85

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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.