Home / 571,721.52-788,849.51-329,952.72

Finding the Fourth Proportional to 571,721.52, 788,849.51 and 329,952.72

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Solution

The fourth proportional to 571,721.52, 788,849.51 and 329,952.72 is: 455,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,721.52 : 788,849.51 = 329,952.72 : x
  2. Step 2: Convert to fraction form
    571,721.52/788,849.51 = 329,952.72/x
  3. Step 3: Cross multiply
    571,721.52x = 788,849.51 × 329,952.72
  4. Step 4: Simplify right side
    571,721.52x = 260,283,039,845.40
  5. Step 5: Solve for x
    x = 260,283,039,845.40/571,721.52
  6. Step 6: Final answer
    x = 455,261.93

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1.5x scale

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.