Home / 571,119.05-788,144.29-316,470.24

Finding the Fourth Proportional to 571,119.05, 788,144.29 and 316,470.24

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Solution

The fourth proportional to 571,119.05, 788,144.29 and 316,470.24 is: 436,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,119.05 : 788,144.29 = 316,470.24 : x
  2. Step 2: Convert to fraction form
    571,119.05/788,144.29 = 316,470.24/x
  3. Step 3: Cross multiply
    571,119.05x = 788,144.29 × 316,470.24
  4. Step 4: Simplify right side
    571,119.05x = 249,424,211,819.75
  5. Step 5: Solve for x
    x = 249,424,211,819.75/571,119.05
  6. Step 6: Final answer
    x = 436,728.93

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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.