Home / 571,727.48-788,963.94-317,102.36

Finding the Fourth Proportional to 571,727.48, 788,963.94 and 317,102.36

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Solution

The fourth proportional to 571,727.48, 788,963.94 and 317,102.36 is: 437,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,727.48 : 788,963.94 = 317,102.36 : x
  2. Step 2: Convert to fraction form
    571,727.48/788,963.94 = 317,102.36/x
  3. Step 3: Cross multiply
    571,727.48x = 788,963.94 × 317,102.36
  4. Step 4: Simplify right side
    571,727.48x = 250,182,327,328.90
  5. Step 5: Solve for x
    x = 250,182,327,328.90/571,727.48
  6. Step 6: Final answer
    x = 437,590.17

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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.