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Finding the Fourth Proportional to 564,275.77, 778,700.57 and 322,563.73

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Solution

The fourth proportional to 564,275.77, 778,700.57 and 322,563.73 is: 445,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,275.77 : 778,700.57 = 322,563.73 : x
  2. Step 2: Convert to fraction form
    564,275.77/778,700.57 = 322,563.73/x
  3. Step 3: Cross multiply
    564,275.77x = 778,700.57 × 322,563.73
  4. Step 4: Simplify right side
    564,275.77x = 251,180,560,412.33
  5. Step 5: Solve for x
    x = 251,180,560,412.33/564,275.77
  6. Step 6: Final answer
    x = 445,137.95

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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.