Home / 842,005.64-1,262,711.10-242,805.08

Finding the Fourth Proportional to 842,005.64, 1,262,711.10 and 242,805.08

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Solution

The fourth proportional to 842,005.64, 1,262,711.10 and 242,805.08 is: 364,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,005.64 : 1,262,711.10 = 242,805.08 : x
  2. Step 2: Convert to fraction form
    842,005.64/1,262,711.10 = 242,805.08/x
  3. Step 3: Cross multiply
    842,005.64x = 1,262,711.10 × 242,805.08
  4. Step 4: Simplify right side
    842,005.64x = 306,592,669,652.39
  5. Step 5: Solve for x
    x = 306,592,669,652.39/842,005.64
  6. Step 6: Final answer
    x = 364,121.87

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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.