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Finding the Fourth Proportional to 571,393.25, 788,518.32 and 313,267.12

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Solution

The fourth proportional to 571,393.25, 788,518.32 and 313,267.12 is: 432,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,393.25 : 788,518.32 = 313,267.12 : x
  2. Step 2: Convert to fraction form
    571,393.25/788,518.32 = 313,267.12/x
  3. Step 3: Cross multiply
    571,393.25x = 788,518.32 × 313,267.12
  4. Step 4: Simplify right side
    571,393.25x = 247,016,863,173.64
  5. Step 5: Solve for x
    x = 247,016,863,173.64/571,393.25
  6. Step 6: Final answer
    x = 432,306.23

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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.