Home / 571,690.25-788,933.67-313,569.30

Finding the Fourth Proportional to 571,690.25, 788,933.67 and 313,569.30

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Solution

The fourth proportional to 571,690.25, 788,933.67 and 313,569.30 is: 432,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,690.25 : 788,933.67 = 313,569.30 : x
  2. Step 2: Convert to fraction form
    571,690.25/788,933.67 = 313,569.30/x
  3. Step 3: Cross multiply
    571,690.25x = 788,933.67 × 313,569.30
  4. Step 4: Simplify right side
    571,690.25x = 247,385,378,648.33
  5. Step 5: Solve for x
    x = 247,385,378,648.33/571,690.25
  6. Step 6: Final answer
    x = 432,726.25

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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.