Home / 771,363.81-1,157,792.04-372,285.54

Finding the Fourth Proportional to 771,363.81, 1,157,792.04 and 372,285.54

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Solution

The fourth proportional to 771,363.81, 1,157,792.04 and 372,285.54 is: 558,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,363.81 : 1,157,792.04 = 372,285.54 : x
  2. Step 2: Convert to fraction form
    771,363.81/1,157,792.04 = 372,285.54/x
  3. Step 3: Cross multiply
    771,363.81x = 1,157,792.04 × 372,285.54
  4. Step 4: Simplify right side
    771,363.81x = 431,029,234,819.10
  5. Step 5: Solve for x
    x = 431,029,234,819.10/771,363.81
  6. Step 6: Final answer
    x = 558,788.51

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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.