Home / 896,425.28-1,344,770.37-289,010.55

Finding the Fourth Proportional to 896,425.28, 1,344,770.37 and 289,010.55

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Solution

The fourth proportional to 896,425.28, 1,344,770.37 and 289,010.55 is: 433,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,425.28 : 1,344,770.37 = 289,010.55 : x
  2. Step 2: Convert to fraction form
    896,425.28/1,344,770.37 = 289,010.55/x
  3. Step 3: Cross multiply
    896,425.28x = 1,344,770.37 × 289,010.55
  4. Step 4: Simplify right side
    896,425.28x = 388,652,824,257.40
  5. Step 5: Solve for x
    x = 388,652,824,257.40/896,425.28
  6. Step 6: Final answer
    x = 433,558.53

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Double scale
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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.