Home / 716,102.88-1,074,154.32-340,988.64

Finding the Fourth Proportional to 716,102.88, 1,074,154.32 and 340,988.64

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Solution

The fourth proportional to 716,102.88, 1,074,154.32 and 340,988.64 is: 511,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,102.88 : 1,074,154.32 = 340,988.64 : x
  2. Step 2: Convert to fraction form
    716,102.88/1,074,154.32 = 340,988.64/x
  3. Step 3: Cross multiply
    716,102.88x = 1,074,154.32 × 340,988.64
  4. Step 4: Simplify right side
    716,102.88x = 366,274,420,726.93
  5. Step 5: Solve for x
    x = 366,274,420,726.93/716,102.88
  6. Step 6: Final answer
    x = 511,482.96

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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.