Home / 564,922.79-779,594.10-306,799.91

Finding the Fourth Proportional to 564,922.79, 779,594.10 and 306,799.91

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Solution

The fourth proportional to 564,922.79, 779,594.10 and 306,799.91 is: 423,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,922.79 : 779,594.10 = 306,799.91 : x
  2. Step 2: Convert to fraction form
    564,922.79/779,594.10 = 306,799.91/x
  3. Step 3: Cross multiply
    564,922.79x = 779,594.10 × 306,799.91
  4. Step 4: Simplify right side
    564,922.79x = 239,179,399,716.53
  5. Step 5: Solve for x
    x = 239,179,399,716.53/564,922.79
  6. Step 6: Final answer
    x = 423,384.23

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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.