Home / 946,725.57-1,420,100.92-315,639.59

Finding the Fourth Proportional to 946,725.57, 1,420,100.92 and 315,639.59

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Solution

The fourth proportional to 946,725.57, 1,420,100.92 and 315,639.59 is: 473,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,725.57 : 1,420,100.92 = 315,639.59 : x
  2. Step 2: Convert to fraction form
    946,725.57/1,420,100.92 = 315,639.59/x
  3. Step 3: Cross multiply
    946,725.57x = 1,420,100.92 × 315,639.59
  4. Step 4: Simplify right side
    946,725.57x = 448,240,072,147.42
  5. Step 5: Solve for x
    x = 448,240,072,147.42/946,725.57
  6. Step 6: Final answer
    x = 473,463.57

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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.