Home / 906,095.78-1,358,294.85-306,637.28

Finding the Fourth Proportional to 906,095.78, 1,358,294.85 and 306,637.28

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Solution

The fourth proportional to 906,095.78, 1,358,294.85 and 306,637.28 is: 459,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,095.78 : 1,358,294.85 = 306,637.28 : x
  2. Step 2: Convert to fraction form
    906,095.78/1,358,294.85 = 306,637.28/x
  3. Step 3: Cross multiply
    906,095.78x = 1,358,294.85 × 306,637.28
  4. Step 4: Simplify right side
    906,095.78x = 416,503,831,450.53
  5. Step 5: Solve for x
    x = 416,503,831,450.53/906,095.78
  6. Step 6: Final answer
    x = 459,668.66

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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.