Home / 788,115.78-1,087,600.98-448,584

Finding the Fourth Proportional to 788,115.78, 1,087,600.98 and 448,584

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Solution

The fourth proportional to 788,115.78, 1,087,600.98 and 448,584 is: 619,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,115.78 : 1,087,600.98 = 448,584 : x
  2. Step 2: Convert to fraction form
    788,115.78/1,087,600.98 = 448,584/x
  3. Step 3: Cross multiply
    788,115.78x = 1,087,600.98 × 448,584
  4. Step 4: Simplify right side
    788,115.78x = 487,880,398,012.32
  5. Step 5: Solve for x
    x = 487,880,398,012.32/788,115.78
  6. Step 6: Final answer
    x = 619,046.61

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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.