Home / 571,729.60-788,981.40-313,601.24

Finding the Fourth Proportional to 571,729.60, 788,981.40 and 313,601.24

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Solution

The fourth proportional to 571,729.60, 788,981.40 and 313,601.24 is: 432,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,729.60 : 788,981.40 = 313,601.24 : x
  2. Step 2: Convert to fraction form
    571,729.60/788,981.40 = 313,601.24/x
  3. Step 3: Cross multiply
    571,729.60x = 788,981.40 × 313,601.24
  4. Step 4: Simplify right side
    571,729.60x = 247,425,545,376.94
  5. Step 5: Solve for x
    x = 247,425,545,376.94/571,729.60
  6. Step 6: Final answer
    x = 432,766.72

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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.