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Finding the Fourth Proportional to 564,851.52, 779,500.48 and 310,208

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Solution

The fourth proportional to 564,851.52, 779,500.48 and 310,208 is: 428,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,851.52 : 779,500.48 = 310,208 : x
  2. Step 2: Convert to fraction form
    564,851.52/779,500.48 = 310,208/x
  3. Step 3: Cross multiply
    564,851.52x = 779,500.48 × 310,208
  4. Step 4: Simplify right side
    564,851.52x = 241,807,284,899.84
  5. Step 5: Solve for x
    x = 241,807,284,899.84/564,851.52
  6. Step 6: Final answer
    x = 428,090.00

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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.