Home / 561,216.04-774,468.42-306,560.68

Finding the Fourth Proportional to 561,216.04, 774,468.42 and 306,560.68

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Solution

The fourth proportional to 561,216.04, 774,468.42 and 306,560.68 is: 423,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,216.04 : 774,468.42 = 306,560.68 : x
  2. Step 2: Convert to fraction form
    561,216.04/774,468.42 = 306,560.68/x
  3. Step 3: Cross multiply
    561,216.04x = 774,468.42 × 306,560.68
  4. Step 4: Simplify right side
    561,216.04x = 237,421,565,473.73
  5. Step 5: Solve for x
    x = 237,421,565,473.73/561,216.04
  6. Step 6: Final answer
    x = 423,048.43

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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.