Home / 928,800.60-1,281,730.62-520,902.36

Finding the Fourth Proportional to 928,800.60, 1,281,730.62 and 520,902.36

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Solution

The fourth proportional to 928,800.60, 1,281,730.62 and 520,902.36 is: 718,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,800.60 : 1,281,730.62 = 520,902.36 : x
  2. Step 2: Convert to fraction form
    928,800.60/1,281,730.62 = 520,902.36/x
  3. Step 3: Cross multiply
    928,800.60x = 1,281,730.62 × 520,902.36
  4. Step 4: Simplify right side
    928,800.60x = 667,656,504,842.26
  5. Step 5: Solve for x
    x = 667,656,504,842.26/928,800.60
  6. Step 6: Final answer
    x = 718,837.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.