Home / 717,164.60-1,075,785.78-268,003.40

Finding the Fourth Proportional to 717,164.60, 1,075,785.78 and 268,003.40

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Solution

The fourth proportional to 717,164.60, 1,075,785.78 and 268,003.40 is: 402,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,164.60 : 1,075,785.78 = 268,003.40 : x
  2. Step 2: Convert to fraction form
    717,164.60/1,075,785.78 = 268,003.40/x
  3. Step 3: Cross multiply
    717,164.60x = 1,075,785.78 × 268,003.40
  4. Step 4: Simplify right side
    717,164.60x = 288,314,246,711.65
  5. Step 5: Solve for x
    x = 288,314,246,711.65/717,164.60
  6. Step 6: Final answer
    x = 402,019.63

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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.