Home / 702,979.30-1,054,250.69-253,641.62

Finding the Fourth Proportional to 702,979.30, 1,054,250.69 and 253,641.62

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Solution

The fourth proportional to 702,979.30, 1,054,250.69 and 253,641.62 is: 380,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,979.30 : 1,054,250.69 = 253,641.62 : x
  2. Step 2: Convert to fraction form
    702,979.30/1,054,250.69 = 253,641.62/x
  3. Step 3: Cross multiply
    702,979.30x = 1,054,250.69 × 253,641.62
  4. Step 4: Simplify right side
    702,979.30x = 267,401,852,897.72
  5. Step 5: Solve for x
    x = 267,401,852,897.72/702,979.30
  6. Step 6: Final answer
    x = 380,383.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.