Home / 914,292.05-1,371,528.23-315,174.33

Finding the Fourth Proportional to 914,292.05, 1,371,528.23 and 315,174.33

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Solution

The fourth proportional to 914,292.05, 1,371,528.23 and 315,174.33 is: 472,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,292.05 : 1,371,528.23 = 315,174.33 : x
  2. Step 2: Convert to fraction form
    914,292.05/1,371,528.23 = 315,174.33/x
  3. Step 3: Cross multiply
    914,292.05x = 1,371,528.23 × 315,174.33
  4. Step 4: Simplify right side
    914,292.05x = 432,270,489,390.46
  5. Step 5: Solve for x
    x = 432,270,489,390.46/914,292.05
  6. Step 6: Final answer
    x = 472,792.57

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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.