Home / 717,095.56-1,075,651.98-218,463.88

Finding the Fourth Proportional to 717,095.56, 1,075,651.98 and 218,463.88

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Solution

The fourth proportional to 717,095.56, 1,075,651.98 and 218,463.88 is: 327,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,095.56 : 1,075,651.98 = 218,463.88 : x
  2. Step 2: Convert to fraction form
    717,095.56/1,075,651.98 = 218,463.88/x
  3. Step 3: Cross multiply
    717,095.56x = 1,075,651.98 × 218,463.88
  4. Step 4: Simplify right side
    717,095.56x = 234,991,105,080.48
  5. Step 5: Solve for x
    x = 234,991,105,080.48/717,095.56
  6. Step 6: Final answer
    x = 327,698.45

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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.