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Finding the Fourth Proportional to 719,856.60, 1,080,003.60 and 404,102.40

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Solution

The fourth proportional to 719,856.60, 1,080,003.60 and 404,102.40 is: 606,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,856.60 : 1,080,003.60 = 404,102.40 : x
  2. Step 2: Convert to fraction form
    719,856.60/1,080,003.60 = 404,102.40/x
  3. Step 3: Cross multiply
    719,856.60x = 1,080,003.60 × 404,102.40
  4. Step 4: Simplify right side
    719,856.60x = 436,432,046,768.64
  5. Step 5: Solve for x
    x = 436,432,046,768.64/719,856.60
  6. Step 6: Final answer
    x = 606,276.37

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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.