Home / 768,979.40-1,153,670.70-295,680.20

Finding the Fourth Proportional to 768,979.40, 1,153,670.70 and 295,680.20

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Solution

The fourth proportional to 768,979.40, 1,153,670.70 and 295,680.20 is: 443,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,979.40 : 1,153,670.70 = 295,680.20 : x
  2. Step 2: Convert to fraction form
    768,979.40/1,153,670.70 = 295,680.20/x
  3. Step 3: Cross multiply
    768,979.40x = 1,153,670.70 × 295,680.20
  4. Step 4: Simplify right side
    768,979.40x = 341,117,583,310.14
  5. Step 5: Solve for x
    x = 341,117,583,310.14/768,979.40
  6. Step 6: Final answer
    x = 443,597.82

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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.