Home / 703,615.50-1,055,423.25-309,631.50

Finding the Fourth Proportional to 703,615.50, 1,055,423.25 and 309,631.50

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Solution

The fourth proportional to 703,615.50, 1,055,423.25 and 309,631.50 is: 464,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,615.50 : 1,055,423.25 = 309,631.50 : x
  2. Step 2: Convert to fraction form
    703,615.50/1,055,423.25 = 309,631.50/x
  3. Step 3: Cross multiply
    703,615.50x = 1,055,423.25 × 309,631.50
  4. Step 4: Simplify right side
    703,615.50x = 326,792,284,032.38
  5. Step 5: Solve for x
    x = 326,792,284,032.38/703,615.50
  6. Step 6: Final answer
    x = 464,447.25

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Similar ratio
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1.5x scale

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.