Home / 772,844.30-1,159,044.91-260,453.65

Finding the Fourth Proportional to 772,844.30, 1,159,044.91 and 260,453.65

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Solution

The fourth proportional to 772,844.30, 1,159,044.91 and 260,453.65 is: 390,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,844.30 : 1,159,044.91 = 260,453.65 : x
  2. Step 2: Convert to fraction form
    772,844.30/1,159,044.91 = 260,453.65/x
  3. Step 3: Cross multiply
    772,844.30x = 1,159,044.91 × 260,453.65
  4. Step 4: Simplify right side
    772,844.30x = 301,877,477,323.42
  5. Step 5: Solve for x
    x = 301,877,477,323.42/772,844.30
  6. Step 6: Final answer
    x = 390,605.81

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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.