Home / 805,894.14-1,207,317.30-476,275.38

Finding the Fourth Proportional to 805,894.14, 1,207,317.30 and 476,275.38

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Solution

The fourth proportional to 805,894.14, 1,207,317.30 and 476,275.38 is: 713,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,894.14 : 1,207,317.30 = 476,275.38 : x
  2. Step 2: Convert to fraction form
    805,894.14/1,207,317.30 = 476,275.38/x
  3. Step 3: Cross multiply
    805,894.14x = 1,207,317.30 × 476,275.38
  4. Step 4: Simplify right side
    805,894.14x = 575,015,505,838.07
  5. Step 5: Solve for x
    x = 575,015,505,838.07/805,894.14
  6. Step 6: Final answer
    x = 713,512.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.