Home / 758,862.98-1,138,339.02-285,552.44

Finding the Fourth Proportional to 758,862.98, 1,138,339.02 and 285,552.44

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Solution

The fourth proportional to 758,862.98, 1,138,339.02 and 285,552.44 is: 428,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,862.98 : 1,138,339.02 = 285,552.44 : x
  2. Step 2: Convert to fraction form
    758,862.98/1,138,339.02 = 285,552.44/x
  3. Step 3: Cross multiply
    758,862.98x = 1,138,339.02 × 285,552.44
  4. Step 4: Simplify right side
    758,862.98x = 325,055,484,708.21
  5. Step 5: Solve for x
    x = 325,055,484,708.21/758,862.98
  6. Step 6: Final answer
    x = 428,345.42

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Double scale
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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.