Home / 571,611.02-788,766.33-329,971.43

Finding the Fourth Proportional to 571,611.02, 788,766.33 and 329,971.43

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Solution

The fourth proportional to 571,611.02, 788,766.33 and 329,971.43 is: 455,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,611.02 : 788,766.33 = 329,971.43 : x
  2. Step 2: Convert to fraction form
    571,611.02/788,766.33 = 329,971.43/x
  3. Step 3: Cross multiply
    571,611.02x = 788,766.33 × 329,971.43
  4. Step 4: Simplify right side
    571,611.02x = 260,270,349,902.12
  5. Step 5: Solve for x
    x = 260,270,349,902.12/571,611.02
  6. Step 6: Final answer
    x = 455,327.74

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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.