Home / 758,856.96-1,138,449.60-403,818.84

Finding the Fourth Proportional to 758,856.96, 1,138,449.60 and 403,818.84

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Solution

The fourth proportional to 758,856.96, 1,138,449.60 and 403,818.84 is: 605,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,856.96 : 1,138,449.60 = 403,818.84 : x
  2. Step 2: Convert to fraction form
    758,856.96/1,138,449.60 = 403,818.84/x
  3. Step 3: Cross multiply
    758,856.96x = 1,138,449.60 × 403,818.84
  4. Step 4: Simplify right side
    758,856.96x = 459,727,396,870.46
  5. Step 5: Solve for x
    x = 459,727,396,870.46/758,856.96
  6. Step 6: Final answer
    x = 605,815.62

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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.