Home / 758,889.90-1,138,189.05-226,428.30

Finding the Fourth Proportional to 758,889.90, 1,138,189.05 and 226,428.30

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Solution

The fourth proportional to 758,889.90, 1,138,189.05 and 226,428.30 is: 339,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,889.90 : 1,138,189.05 = 226,428.30 : x
  2. Step 2: Convert to fraction form
    758,889.90/1,138,189.05 = 226,428.30/x
  3. Step 3: Cross multiply
    758,889.90x = 1,138,189.05 × 226,428.30
  4. Step 4: Simplify right side
    758,889.90x = 257,718,211,670.12
  5. Step 5: Solve for x
    x = 257,718,211,670.12/758,889.90
  6. Step 6: Final answer
    x = 339,598.95

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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.