Home / 702,815.52-1,054,005.13-253,478.01

Finding the Fourth Proportional to 702,815.52, 1,054,005.13 and 253,478.01

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Solution

The fourth proportional to 702,815.52, 1,054,005.13 and 253,478.01 is: 380,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,815.52 : 1,054,005.13 = 253,478.01 : x
  2. Step 2: Convert to fraction form
    702,815.52/1,054,005.13 = 253,478.01/x
  3. Step 3: Cross multiply
    702,815.52x = 1,054,005.13 × 253,478.01
  4. Step 4: Simplify right side
    702,815.52x = 267,167,122,248.50
  5. Step 5: Solve for x
    x = 267,167,122,248.50/702,815.52
  6. Step 6: Final answer
    x = 380,138.34

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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.