Home / 908,920.80-1,363,381.20-269,247.60

Finding the Fourth Proportional to 908,920.80, 1,363,381.20 and 269,247.60

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Solution

The fourth proportional to 908,920.80, 1,363,381.20 and 269,247.60 is: 403,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,920.80 : 1,363,381.20 = 269,247.60 : x
  2. Step 2: Convert to fraction form
    908,920.80/1,363,381.20 = 269,247.60/x
  3. Step 3: Cross multiply
    908,920.80x = 1,363,381.20 × 269,247.60
  4. Step 4: Simplify right side
    908,920.80x = 367,087,115,985.12
  5. Step 5: Solve for x
    x = 367,087,115,985.12/908,920.80
  6. Step 6: Final answer
    x = 403,871.40

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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.