Home / 847,279.08-1,270,303.20-397,768.68

Finding the Fourth Proportional to 847,279.08, 1,270,303.20 and 397,768.68

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Solution

The fourth proportional to 847,279.08, 1,270,303.20 and 397,768.68 is: 596,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,279.08 : 1,270,303.20 = 397,768.68 : x
  2. Step 2: Convert to fraction form
    847,279.08/1,270,303.20 = 397,768.68/x
  3. Step 3: Cross multiply
    847,279.08x = 1,270,303.20 × 397,768.68
  4. Step 4: Simplify right side
    847,279.08x = 505,286,827,063.78
  5. Step 5: Solve for x
    x = 505,286,827,063.78/847,279.08
  6. Step 6: Final answer
    x = 596,364.10

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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.