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Finding the Fourth Proportional to 453,519.72, 625,883.06 and 259,959.65

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Solution

The fourth proportional to 453,519.72, 625,883.06 and 259,959.65 is: 358,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,519.72 : 625,883.06 = 259,959.65 : x
  2. Step 2: Convert to fraction form
    453,519.72/625,883.06 = 259,959.65/x
  3. Step 3: Cross multiply
    453,519.72x = 625,883.06 × 259,959.65
  4. Step 4: Simplify right side
    453,519.72x = 162,704,338,739.01
  5. Step 5: Solve for x
    x = 162,704,338,739.01/453,519.72
  6. Step 6: Final answer
    x = 358,759.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.