Home / 734,427.57-1,013,517.06-428,694.69

Finding the Fourth Proportional to 734,427.57, 1,013,517.06 and 428,694.69

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Solution

The fourth proportional to 734,427.57, 1,013,517.06 and 428,694.69 is: 591,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,427.57 : 1,013,517.06 = 428,694.69 : x
  2. Step 2: Convert to fraction form
    734,427.57/1,013,517.06 = 428,694.69/x
  3. Step 3: Cross multiply
    734,427.57x = 1,013,517.06 × 428,694.69
  4. Step 4: Simplify right side
    734,427.57x = 434,489,381,846.41
  5. Step 5: Solve for x
    x = 434,489,381,846.41/734,427.57
  6. Step 6: Final answer
    x = 591,602.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.