Home / 788,115.38-1,087,600.43-448,583.63

Finding the Fourth Proportional to 788,115.38, 1,087,600.43 and 448,583.63

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Solution

The fourth proportional to 788,115.38, 1,087,600.43 and 448,583.63 is: 619,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,115.38 : 1,087,600.43 = 448,583.63 : x
  2. Step 2: Convert to fraction form
    788,115.38/1,087,600.43 = 448,583.63/x
  3. Step 3: Cross multiply
    788,115.38x = 1,087,600.43 × 448,583.63
  4. Step 4: Simplify right side
    788,115.38x = 487,879,744,562.42
  5. Step 5: Solve for x
    x = 487,879,744,562.42/788,115.38
  6. Step 6: Final answer
    x = 619,046.09

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Double scale
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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.