Home / 571,211.86-788,267.46-313,103.14

Finding the Fourth Proportional to 571,211.86, 788,267.46 and 313,103.14

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Solution

The fourth proportional to 571,211.86, 788,267.46 and 313,103.14 is: 432,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,211.86 : 788,267.46 = 313,103.14 : x
  2. Step 2: Convert to fraction form
    571,211.86/788,267.46 = 313,103.14/x
  3. Step 3: Cross multiply
    571,211.86x = 788,267.46 × 313,103.14
  4. Step 4: Simplify right side
    571,211.86x = 246,809,016,885.82
  5. Step 5: Solve for x
    x = 246,809,016,885.82/571,211.86
  6. Step 6: Final answer
    x = 432,079.64

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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.