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Finding the Fourth Proportional to 571,393.94, 788,251.88 and 341,905.01

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Solution

The fourth proportional to 571,393.94, 788,251.88 and 341,905.01 is: 471,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,393.94 : 788,251.88 = 341,905.01 : x
  2. Step 2: Convert to fraction form
    571,393.94/788,251.88 = 341,905.01/x
  3. Step 3: Cross multiply
    571,393.94x = 788,251.88 × 341,905.01
  4. Step 4: Simplify right side
    571,393.94x = 269,507,261,263.13
  5. Step 5: Solve for x
    x = 269,507,261,263.13/571,393.94
  6. Step 6: Final answer
    x = 471,666.30

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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.