Home / 951,721.57-1,313,460.03-522,085.42

Finding the Fourth Proportional to 951,721.57, 1,313,460.03 and 522,085.42

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Solution

The fourth proportional to 951,721.57, 1,313,460.03 and 522,085.42 is: 720,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,721.57 : 1,313,460.03 = 522,085.42 : x
  2. Step 2: Convert to fraction form
    951,721.57/1,313,460.03 = 522,085.42/x
  3. Step 3: Cross multiply
    951,721.57x = 1,313,460.03 × 522,085.42
  4. Step 4: Simplify right side
    951,721.57x = 685,738,331,415.76
  5. Step 5: Solve for x
    x = 685,738,331,415.76/951,721.57
  6. Step 6: Final answer
    x = 720,524.10

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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.