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Finding the Fourth Proportional to 564,900.56, 779,600.94 and 310,254.38

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Solution

The fourth proportional to 564,900.56, 779,600.94 and 310,254.38 is: 428,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,900.56 : 779,600.94 = 310,254.38 : x
  2. Step 2: Convert to fraction form
    564,900.56/779,600.94 = 310,254.38/x
  3. Step 3: Cross multiply
    564,900.56x = 779,600.94 × 310,254.38
  4. Step 4: Simplify right side
    564,900.56x = 241,874,606,287.12
  5. Step 5: Solve for x
    x = 241,874,606,287.12/564,900.56
  6. Step 6: Final answer
    x = 428,172.01

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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.