Home / 768,986.70-1,153,134.45-295,514.70

Finding the Fourth Proportional to 768,986.70, 1,153,134.45 and 295,514.70

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Solution

The fourth proportional to 768,986.70, 1,153,134.45 and 295,514.70 is: 443,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,986.70 : 1,153,134.45 = 295,514.70 : x
  2. Step 2: Convert to fraction form
    768,986.70/1,153,134.45 = 295,514.70/x
  3. Step 3: Cross multiply
    768,986.70x = 1,153,134.45 × 295,514.70
  4. Step 4: Simplify right side
    768,986.70x = 340,768,181,051.42
  5. Step 5: Solve for x
    x = 340,768,181,051.42/768,986.70
  6. Step 6: Final answer
    x = 443,139.24

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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.