Home / 571,114.55-788,138.07-316,465.73

Finding the Fourth Proportional to 571,114.55, 788,138.07 and 316,465.73

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Solution

The fourth proportional to 571,114.55, 788,138.07 and 316,465.73 is: 436,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,114.55 : 788,138.07 = 316,465.73 : x
  2. Step 2: Convert to fraction form
    571,114.55/788,138.07 = 316,465.73/x
  3. Step 3: Cross multiply
    571,114.55x = 788,138.07 × 316,465.73
  4. Step 4: Simplify right side
    571,114.55x = 249,418,694,594.88
  5. Step 5: Solve for x
    x = 249,418,694,594.88/571,114.55
  6. Step 6: Final answer
    x = 436,722.71

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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.