Home / 479,886.31-719,275.86-180,175.72

Finding the Fourth Proportional to 479,886.31, 719,275.86 and 180,175.72

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Solution

The fourth proportional to 479,886.31, 719,275.86 and 180,175.72 is: 270,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,886.31 : 719,275.86 = 180,175.72 : x
  2. Step 2: Convert to fraction form
    479,886.31/719,275.86 = 180,175.72/x
  3. Step 3: Cross multiply
    479,886.31x = 719,275.86 × 180,175.72
  4. Step 4: Simplify right side
    479,886.31x = 129,596,045,954.12
  5. Step 5: Solve for x
    x = 129,596,045,954.12/479,886.31
  6. Step 6: Final answer
    x = 270,055.73

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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.