Home / 564,105.43-778,460.95-305,981.73

Finding the Fourth Proportional to 564,105.43, 778,460.95 and 305,981.73

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Solution

The fourth proportional to 564,105.43, 778,460.95 and 305,981.73 is: 422,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,105.43 : 778,460.95 = 305,981.73 : x
  2. Step 2: Convert to fraction form
    564,105.43/778,460.95 = 305,981.73/x
  3. Step 3: Cross multiply
    564,105.43x = 778,460.95 × 305,981.73
  4. Step 4: Simplify right side
    564,105.43x = 238,194,827,453.49
  5. Step 5: Solve for x
    x = 238,194,827,453.49/564,105.43
  6. Step 6: Final answer
    x = 422,252.32

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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.