Home / 717,761.64-1,075,837.98-291,198.44

Finding the Fourth Proportional to 717,761.64, 1,075,837.98 and 291,198.44

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Solution

The fourth proportional to 717,761.64, 1,075,837.98 and 291,198.44 is: 436,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,761.64 : 1,075,837.98 = 291,198.44 : x
  2. Step 2: Convert to fraction form
    717,761.64/1,075,837.98 = 291,198.44/x
  3. Step 3: Cross multiply
    717,761.64x = 1,075,837.98 × 291,198.44
  4. Step 4: Simplify right side
    717,761.64x = 313,282,341,468.75
  5. Step 5: Solve for x
    x = 313,282,341,468.75/717,761.64
  6. Step 6: Final answer
    x = 436,471.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.