Home / 564,921.69-779,589.27-306,796.83

Finding the Fourth Proportional to 564,921.69, 779,589.27 and 306,796.83

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Solution

The fourth proportional to 564,921.69, 779,589.27 and 306,796.83 is: 423,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,921.69 : 779,589.27 = 306,796.83 : x
  2. Step 2: Convert to fraction form
    564,921.69/779,589.27 = 306,796.83/x
  3. Step 3: Cross multiply
    564,921.69x = 779,589.27 × 306,796.83
  4. Step 4: Simplify right side
    564,921.69x = 239,175,516,738.01
  5. Step 5: Solve for x
    x = 239,175,516,738.01/564,921.69
  6. Step 6: Final answer
    x = 423,378.18

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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.