Home / 788,354.90-1,087,930.78-448,823.14

Finding the Fourth Proportional to 788,354.90, 1,087,930.78 and 448,823.14

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Solution

The fourth proportional to 788,354.90, 1,087,930.78 and 448,823.14 is: 619,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,354.90 : 1,087,930.78 = 448,823.14 : x
  2. Step 2: Convert to fraction form
    788,354.90/1,087,930.78 = 448,823.14/x
  3. Step 3: Cross multiply
    788,354.90x = 1,087,930.78 × 448,823.14
  4. Step 4: Simplify right side
    788,354.90x = 488,288,508,782.25
  5. Step 5: Solve for x
    x = 488,288,508,782.25/788,354.90
  6. Step 6: Final answer
    x = 619,376.51

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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.