Home / 716,219.62-1,074,396.86-210,780.83

Finding the Fourth Proportional to 716,219.62, 1,074,396.86 and 210,780.83

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Solution

The fourth proportional to 716,219.62, 1,074,396.86 and 210,780.83 is: 316,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,219.62 : 1,074,396.86 = 210,780.83 : x
  2. Step 2: Convert to fraction form
    716,219.62/1,074,396.86 = 210,780.83/x
  3. Step 3: Cross multiply
    716,219.62x = 1,074,396.86 × 210,780.83
  4. Step 4: Simplify right side
    716,219.62x = 226,462,264,322.71
  5. Step 5: Solve for x
    x = 226,462,264,322.71/716,219.62
  6. Step 6: Final answer
    x = 316,191.09

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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.