Home / 527,155.20-788,889.60-482,918.40

Finding the Fourth Proportional to 527,155.20, 788,889.60 and 482,918.40

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Solution

The fourth proportional to 527,155.20, 788,889.60 and 482,918.40 is: 722,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,155.20 : 788,889.60 = 482,918.40 : x
  2. Step 2: Convert to fraction form
    527,155.20/788,889.60 = 482,918.40/x
  3. Step 3: Cross multiply
    527,155.20x = 788,889.60 × 482,918.40
  4. Step 4: Simplify right side
    527,155.20x = 380,969,303,408.64
  5. Step 5: Solve for x
    x = 380,969,303,408.64/527,155.20
  6. Step 6: Final answer
    x = 722,689.07

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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.