Home / 717,279.24-1,075,996.70-268,215.24

Finding the Fourth Proportional to 717,279.24, 1,075,996.70 and 268,215.24

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Solution

The fourth proportional to 717,279.24, 1,075,996.70 and 268,215.24 is: 402,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,279.24 : 1,075,996.70 = 268,215.24 : x
  2. Step 2: Convert to fraction form
    717,279.24/1,075,996.70 = 268,215.24/x
  3. Step 3: Cross multiply
    717,279.24x = 1,075,996.70 × 268,215.24
  4. Step 4: Simplify right side
    717,279.24x = 288,598,713,129.71
  5. Step 5: Solve for x
    x = 288,598,713,129.71/717,279.24
  6. Step 6: Final answer
    x = 402,351.97

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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.