Home / 571,382.14-788,513.76-326,399.33

Finding the Fourth Proportional to 571,382.14, 788,513.76 and 326,399.33

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Solution

The fourth proportional to 571,382.14, 788,513.76 and 326,399.33 is: 450,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,382.14 : 788,513.76 = 326,399.33 : x
  2. Step 2: Convert to fraction form
    571,382.14/788,513.76 = 326,399.33/x
  3. Step 3: Cross multiply
    571,382.14x = 788,513.76 × 326,399.33
  4. Step 4: Simplify right side
    571,382.14x = 257,370,357,385.22
  5. Step 5: Solve for x
    x = 257,370,357,385.22/571,382.14
  6. Step 6: Final answer
    x = 450,434.73

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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.