Home / 741,348-1,112,031.72-242,712

Finding the Fourth Proportional to 741,348, 1,112,031.72 and 242,712

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Solution

The fourth proportional to 741,348, 1,112,031.72 and 242,712 is: 364,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,348 : 1,112,031.72 = 242,712 : x
  2. Step 2: Convert to fraction form
    741,348/1,112,031.72 = 242,712/x
  3. Step 3: Cross multiply
    741,348x = 1,112,031.72 × 242,712
  4. Step 4: Simplify right side
    741,348x = 269,903,442,824.64
  5. Step 5: Solve for x
    x = 269,903,442,824.64/741,348
  6. Step 6: Final answer
    x = 364,071.18

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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.