Home / 908,686.40-1,363,043.85-269,055.05

Finding the Fourth Proportional to 908,686.40, 1,363,043.85 and 269,055.05

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Solution

The fourth proportional to 908,686.40, 1,363,043.85 and 269,055.05 is: 403,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,686.40 : 1,363,043.85 = 269,055.05 : x
  2. Step 2: Convert to fraction form
    908,686.40/1,363,043.85 = 269,055.05/x
  3. Step 3: Cross multiply
    908,686.40x = 1,363,043.85 × 269,055.05
  4. Step 4: Simplify right side
    908,686.40x = 366,733,831,213.94
  5. Step 5: Solve for x
    x = 366,733,831,213.94/908,686.40
  6. Step 6: Final answer
    x = 403,586.79

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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.