Home / 788,272.46-1,087,815.99-425,696.30

Finding the Fourth Proportional to 788,272.46, 1,087,815.99 and 425,696.30

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Solution

The fourth proportional to 788,272.46, 1,087,815.99 and 425,696.30 is: 587,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,272.46 : 1,087,815.99 = 425,696.30 : x
  2. Step 2: Convert to fraction form
    788,272.46/1,087,815.99 = 425,696.30/x
  3. Step 3: Cross multiply
    788,272.46x = 1,087,815.99 × 425,696.30
  4. Step 4: Simplify right side
    788,272.46x = 463,079,242,023.84
  5. Step 5: Solve for x
    x = 463,079,242,023.84/788,272.46
  6. Step 6: Final answer
    x = 587,460.89

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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.