Home / 571,419.71-857,272.27-403,268.46

Finding the Fourth Proportional to 571,419.71, 857,272.27 and 403,268.46

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Solution

The fourth proportional to 571,419.71, 857,272.27 and 403,268.46 is: 605,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,419.71 : 857,272.27 = 403,268.46 : x
  2. Step 2: Convert to fraction form
    571,419.71/857,272.27 = 403,268.46/x
  3. Step 3: Cross multiply
    571,419.71x = 857,272.27 × 403,268.46
  4. Step 4: Simplify right side
    571,419.71x = 345,710,868,123.60
  5. Step 5: Solve for x
    x = 345,710,868,123.60/571,419.71
  6. Step 6: Final answer
    x = 605,003.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.