Home / 772,339.88-1,158,225.50-266,771.09

Finding the Fourth Proportional to 772,339.88, 1,158,225.50 and 266,771.09

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Solution

The fourth proportional to 772,339.88, 1,158,225.50 and 266,771.09 is: 400,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,339.88 : 1,158,225.50 = 266,771.09 : x
  2. Step 2: Convert to fraction form
    772,339.88/1,158,225.50 = 266,771.09/x
  3. Step 3: Cross multiply
    772,339.88x = 1,158,225.50 × 266,771.09
  4. Step 4: Simplify right side
    772,339.88x = 308,981,082,663.29
  5. Step 5: Solve for x
    x = 308,981,082,663.29/772,339.88
  6. Step 6: Final answer
    x = 400,058.43

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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.