Home / 714,252.02-985,679.76-391,992.10

Finding the Fourth Proportional to 714,252.02, 985,679.76 and 391,992.10

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Solution

The fourth proportional to 714,252.02, 985,679.76 and 391,992.10 is: 540,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,252.02 : 985,679.76 = 391,992.10 : x
  2. Step 2: Convert to fraction form
    714,252.02/985,679.76 = 391,992.10/x
  3. Step 3: Cross multiply
    714,252.02x = 985,679.76 × 391,992.10
  4. Step 4: Simplify right side
    714,252.02x = 386,378,679,049.90
  5. Step 5: Solve for x
    x = 386,378,679,049.90/714,252.02
  6. Step 6: Final answer
    x = 540,955.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.