Home / 908,707.40-1,363,125.90-277,620.20

Finding the Fourth Proportional to 908,707.40, 1,363,125.90 and 277,620.20

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Solution

The fourth proportional to 908,707.40, 1,363,125.90 and 277,620.20 is: 416,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,707.40 : 1,363,125.90 = 277,620.20 : x
  2. Step 2: Convert to fraction form
    908,707.40/1,363,125.90 = 277,620.20/x
  3. Step 3: Cross multiply
    908,707.40x = 1,363,125.90 × 277,620.20
  4. Step 4: Simplify right side
    908,707.40x = 378,431,284,983.18
  5. Step 5: Solve for x
    x = 378,431,284,983.18/908,707.40
  6. Step 6: Final answer
    x = 416,450.10

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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.