Home / 847,101.13-1,270,278.69-397,949.65

Finding the Fourth Proportional to 847,101.13, 1,270,278.69 and 397,949.65

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Solution

The fourth proportional to 847,101.13, 1,270,278.69 and 397,949.65 is: 596,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,101.13 : 1,270,278.69 = 397,949.65 : x
  2. Step 2: Convert to fraction form
    847,101.13/1,270,278.69 = 397,949.65/x
  3. Step 3: Cross multiply
    847,101.13x = 1,270,278.69 × 397,949.65
  4. Step 4: Simplify right side
    847,101.13x = 505,506,960,087.96
  5. Step 5: Solve for x
    x = 505,506,960,087.96/847,101.13
  6. Step 6: Final answer
    x = 596,749.25

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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.