Home / 527,175.26-727,500.80-285,457.08

Finding the Fourth Proportional to 527,175.26, 727,500.80 and 285,457.08

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Solution

The fourth proportional to 527,175.26, 727,500.80 and 285,457.08 is: 393,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,175.26 : 727,500.80 = 285,457.08 : x
  2. Step 2: Convert to fraction form
    527,175.26/727,500.80 = 285,457.08/x
  3. Step 3: Cross multiply
    527,175.26x = 727,500.80 × 285,457.08
  4. Step 4: Simplify right side
    527,175.26x = 207,670,254,065.66
  5. Step 5: Solve for x
    x = 207,670,254,065.66/527,175.26
  6. Step 6: Final answer
    x = 393,930.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.