Home / 713,088.20-1,069,632.30-313,304.60

Finding the Fourth Proportional to 713,088.20, 1,069,632.30 and 313,304.60

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Solution

The fourth proportional to 713,088.20, 1,069,632.30 and 313,304.60 is: 469,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,088.20 : 1,069,632.30 = 313,304.60 : x
  2. Step 2: Convert to fraction form
    713,088.20/1,069,632.30 = 313,304.60/x
  3. Step 3: Cross multiply
    713,088.20x = 1,069,632.30 × 313,304.60
  4. Step 4: Simplify right side
    713,088.20x = 335,120,719,898.58
  5. Step 5: Solve for x
    x = 335,120,719,898.58/713,088.20
  6. Step 6: Final answer
    x = 469,956.90

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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.