Home / 898,976.21-1,348,516.15-338,015.57

Finding the Fourth Proportional to 898,976.21, 1,348,516.15 and 338,015.57

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Solution

The fourth proportional to 898,976.21, 1,348,516.15 and 338,015.57 is: 507,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,976.21 : 1,348,516.15 = 338,015.57 : x
  2. Step 2: Convert to fraction form
    898,976.21/1,348,516.15 = 338,015.57/x
  3. Step 3: Cross multiply
    898,976.21x = 1,348,516.15 × 338,015.57
  4. Step 4: Simplify right side
    898,976.21x = 455,819,447,508.84
  5. Step 5: Solve for x
    x = 455,819,447,508.84/898,976.21
  6. Step 6: Final answer
    x = 507,042.84

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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.