Home / 925,708.74-1,388,563.14-392,856.10

Finding the Fourth Proportional to 925,708.74, 1,388,563.14 and 392,856.10

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Solution

The fourth proportional to 925,708.74, 1,388,563.14 and 392,856.10 is: 589,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,708.74 : 1,388,563.14 = 392,856.10 : x
  2. Step 2: Convert to fraction form
    925,708.74/1,388,563.14 = 392,856.10/x
  3. Step 3: Cross multiply
    925,708.74x = 1,388,563.14 × 392,856.10
  4. Step 4: Simplify right side
    925,708.74x = 545,505,499,784.15
  5. Step 5: Solve for x
    x = 545,505,499,784.15/925,708.74
  6. Step 6: Final answer
    x = 589,284.16

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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.