Home / 873,721.56-1,310,581.80-242,635.20

Finding the Fourth Proportional to 873,721.56, 1,310,581.80 and 242,635.20

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Solution

The fourth proportional to 873,721.56, 1,310,581.80 and 242,635.20 is: 363,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,721.56 : 1,310,581.80 = 242,635.20 : x
  2. Step 2: Convert to fraction form
    873,721.56/1,310,581.80 = 242,635.20/x
  3. Step 3: Cross multiply
    873,721.56x = 1,310,581.80 × 242,635.20
  4. Step 4: Simplify right side
    873,721.56x = 317,993,277,159.36
  5. Step 5: Solve for x
    x = 317,993,277,159.36/873,721.56
  6. Step 6: Final answer
    x = 363,952.65

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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.