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Finding the Fourth Proportional to 571,664.95, 788,911.52 and 313,552.49

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Solution

The fourth proportional to 571,664.95, 788,911.52 and 313,552.49 is: 432,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,664.95 : 788,911.52 = 313,552.49 : x
  2. Step 2: Convert to fraction form
    571,664.95/788,911.52 = 313,552.49/x
  3. Step 3: Cross multiply
    571,664.95x = 788,911.52 × 313,552.49
  4. Step 4: Simplify right side
    571,664.95x = 247,365,165,973.37
  5. Step 5: Solve for x
    x = 247,365,165,973.37/571,664.95
  6. Step 6: Final answer
    x = 432,710.05

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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.