Home / 782,193.60-1,173,679.20-308,894.40

Finding the Fourth Proportional to 782,193.60, 1,173,679.20 and 308,894.40

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Solution

The fourth proportional to 782,193.60, 1,173,679.20 and 308,894.40 is: 463,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,193.60 : 1,173,679.20 = 308,894.40 : x
  2. Step 2: Convert to fraction form
    782,193.60/1,173,679.20 = 308,894.40/x
  3. Step 3: Cross multiply
    782,193.60x = 1,173,679.20 × 308,894.40
  4. Step 4: Simplify right side
    782,193.60x = 362,542,932,276.48
  5. Step 5: Solve for x
    x = 362,542,932,276.48/782,193.60
  6. Step 6: Final answer
    x = 463,495.14

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1.5x scale

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.