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Finding the Fourth Proportional to 571,610.50, 788,765.63 and 329,970.92

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Solution

The fourth proportional to 571,610.50, 788,765.63 and 329,970.92 is: 455,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,610.50 : 788,765.63 = 329,970.92 : x
  2. Step 2: Convert to fraction form
    571,610.50/788,765.63 = 329,970.92/x
  3. Step 3: Cross multiply
    571,610.50x = 788,765.63 × 329,970.92
  4. Step 4: Simplify right side
    571,610.50x = 260,269,720,595.48
  5. Step 5: Solve for x
    x = 260,269,720,595.48/571,610.50
  6. Step 6: Final answer
    x = 455,327.05

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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.