Home / 571,617.72-788,775.59-329,978.14

Finding the Fourth Proportional to 571,617.72, 788,775.59 and 329,978.14

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Solution

The fourth proportional to 571,617.72, 788,775.59 and 329,978.14 is: 455,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,617.72 : 788,775.59 = 329,978.14 : x
  2. Step 2: Convert to fraction form
    571,617.72/788,775.59 = 329,978.14/x
  3. Step 3: Cross multiply
    571,617.72x = 788,775.59 × 329,978.14
  4. Step 4: Simplify right side
    571,617.72x = 260,278,700,918.61
  5. Step 5: Solve for x
    x = 260,278,700,918.61/571,617.72
  6. Step 6: Final answer
    x = 455,337.01

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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.