Home / 753,834.60-1,129,825.51-348,478.50

Finding the Fourth Proportional to 753,834.60, 1,129,825.51 and 348,478.50

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Solution

The fourth proportional to 753,834.60, 1,129,825.51 and 348,478.50 is: 522,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,834.60 : 1,129,825.51 = 348,478.50 : x
  2. Step 2: Convert to fraction form
    753,834.60/1,129,825.51 = 348,478.50/x
  3. Step 3: Cross multiply
    753,834.60x = 1,129,825.51 × 348,478.50
  4. Step 4: Simplify right side
    753,834.60x = 393,719,898,986.54
  5. Step 5: Solve for x
    x = 393,719,898,986.54/753,834.60
  6. Step 6: Final answer
    x = 522,289.50

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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.