Home / 564,873.24-779,528.70-310,222.20

Finding the Fourth Proportional to 564,873.24, 779,528.70 and 310,222.20

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Solution

The fourth proportional to 564,873.24, 779,528.70 and 310,222.20 is: 428,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,873.24 : 779,528.70 = 310,222.20 : x
  2. Step 2: Convert to fraction form
    564,873.24/779,528.70 = 310,222.20/x
  3. Step 3: Cross multiply
    564,873.24x = 779,528.70 × 310,222.20
  4. Step 4: Simplify right side
    564,873.24x = 241,827,108,277.14
  5. Step 5: Solve for x
    x = 241,827,108,277.14/564,873.24
  6. Step 6: Final answer
    x = 428,108.63

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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.