Home / 788,355.92-1,087,932.16-448,824.16

Finding the Fourth Proportional to 788,355.92, 1,087,932.16 and 448,824.16

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Solution

The fourth proportional to 788,355.92, 1,087,932.16 and 448,824.16 is: 619,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,355.92 : 1,087,932.16 = 448,824.16 : x
  2. Step 2: Convert to fraction form
    788,355.92/1,087,932.16 = 448,824.16/x
  3. Step 3: Cross multiply
    788,355.92x = 1,087,932.16 × 448,824.16
  4. Step 4: Simplify right side
    788,355.92x = 488,290,237,848.99
  5. Step 5: Solve for x
    x = 488,290,237,848.99/788,355.92
  6. Step 6: Final answer
    x = 619,377.90

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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.