Home / 571,611.48-788,766.98-329,971.89

Finding the Fourth Proportional to 571,611.48, 788,766.98 and 329,971.89

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Solution

The fourth proportional to 571,611.48, 788,766.98 and 329,971.89 is: 455,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,611.48 : 788,766.98 = 329,971.89 : x
  2. Step 2: Convert to fraction form
    571,611.48/788,766.98 = 329,971.89/x
  3. Step 3: Cross multiply
    571,611.48x = 788,766.98 × 329,971.89
  4. Step 4: Simplify right side
    571,611.48x = 260,270,932,468.21
  5. Step 5: Solve for x
    x = 260,270,932,468.21/571,611.48
  6. Step 6: Final answer
    x = 455,328.39

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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.