Home / 847,141.20-1,270,869.21-278,554.14

Finding the Fourth Proportional to 847,141.20, 1,270,869.21 and 278,554.14

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Solution

The fourth proportional to 847,141.20, 1,270,869.21 and 278,554.14 is: 417,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,141.20 : 1,270,869.21 = 278,554.14 : x
  2. Step 2: Convert to fraction form
    847,141.20/1,270,869.21 = 278,554.14/x
  3. Step 3: Cross multiply
    847,141.20x = 1,270,869.21 × 278,554.14
  4. Step 4: Simplify right side
    847,141.20x = 354,005,879,844.03
  5. Step 5: Solve for x
    x = 354,005,879,844.03/847,141.20
  6. Step 6: Final answer
    x = 417,882.97

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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.