Home / 564,935.24-779,614.26-310,284.20

Finding the Fourth Proportional to 564,935.24, 779,614.26 and 310,284.20

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Solution

The fourth proportional to 564,935.24, 779,614.26 and 310,284.20 is: 428,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,935.24 : 779,614.26 = 310,284.20 : x
  2. Step 2: Convert to fraction form
    564,935.24/779,614.26 = 310,284.20/x
  3. Step 3: Cross multiply
    564,935.24x = 779,614.26 × 310,284.20
  4. Step 4: Simplify right side
    564,935.24x = 241,901,986,972.69
  5. Step 5: Solve for x
    x = 241,901,986,972.69/564,935.24
  6. Step 6: Final answer
    x = 428,194.19

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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.