Home / 676,680.97-1,015,019.61-302,441.53

Finding the Fourth Proportional to 676,680.97, 1,015,019.61 and 302,441.53

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Solution

The fourth proportional to 676,680.97, 1,015,019.61 and 302,441.53 is: 453,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,680.97 : 1,015,019.61 = 302,441.53 : x
  2. Step 2: Convert to fraction form
    676,680.97/1,015,019.61 = 302,441.53/x
  3. Step 3: Cross multiply
    676,680.97x = 1,015,019.61 × 302,441.53
  4. Step 4: Simplify right side
    676,680.97x = 306,984,083,828.40
  5. Step 5: Solve for x
    x = 306,984,083,828.40/676,680.97
  6. Step 6: Final answer
    x = 453,661.47

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Double scale
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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.