Home / 788,115.25-1,087,600.26-448,583.50

Finding the Fourth Proportional to 788,115.25, 1,087,600.26 and 448,583.50

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Solution

The fourth proportional to 788,115.25, 1,087,600.26 and 448,583.50 is: 619,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,115.25 : 1,087,600.26 = 448,583.50 : x
  2. Step 2: Convert to fraction form
    788,115.25/1,087,600.26 = 448,583.50/x
  3. Step 3: Cross multiply
    788,115.25x = 1,087,600.26 × 448,583.50
  4. Step 4: Simplify right side
    788,115.25x = 487,879,531,231.71
  5. Step 5: Solve for x
    x = 487,879,531,231.71/788,115.25
  6. Step 6: Final answer
    x = 619,045.92

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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.