Home / 782,402.60-1,173,258.30-308,930.60

Finding the Fourth Proportional to 782,402.60, 1,173,258.30 and 308,930.60

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Solution

The fourth proportional to 782,402.60, 1,173,258.30 and 308,930.60 is: 463,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,402.60 : 1,173,258.30 = 308,930.60 : x
  2. Step 2: Convert to fraction form
    782,402.60/1,173,258.30 = 308,930.60/x
  3. Step 3: Cross multiply
    782,402.60x = 1,173,258.30 × 308,930.60
  4. Step 4: Simplify right side
    782,402.60x = 362,455,390,573.98
  5. Step 5: Solve for x
    x = 362,455,390,573.98/782,402.60
  6. Step 6: Final answer
    x = 463,259.44

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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.