Home / 783,670.42-1,175,500.47-215,007.04

Finding the Fourth Proportional to 783,670.42, 1,175,500.47 and 215,007.04

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Solution

The fourth proportional to 783,670.42, 1,175,500.47 and 215,007.04 is: 322,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,670.42 : 1,175,500.47 = 215,007.04 : x
  2. Step 2: Convert to fraction form
    783,670.42/1,175,500.47 = 215,007.04/x
  3. Step 3: Cross multiply
    783,670.42x = 1,175,500.47 × 215,007.04
  4. Step 4: Simplify right side
    783,670.42x = 252,740,876,573.31
  5. Step 5: Solve for x
    x = 252,740,876,573.31/783,670.42
  6. Step 6: Final answer
    x = 322,509.14

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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.