Home / 820,059.64-1,230,176.94-346,792.84

Finding the Fourth Proportional to 820,059.64, 1,230,176.94 and 346,792.84

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Solution

The fourth proportional to 820,059.64, 1,230,176.94 and 346,792.84 is: 520,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,059.64 : 1,230,176.94 = 346,792.84 : x
  2. Step 2: Convert to fraction form
    820,059.64/1,230,176.94 = 346,792.84/x
  3. Step 3: Cross multiply
    820,059.64x = 1,230,176.94 × 346,792.84
  4. Step 4: Simplify right side
    820,059.64x = 426,616,554,725.11
  5. Step 5: Solve for x
    x = 426,616,554,725.11/820,059.64
  6. Step 6: Final answer
    x = 520,226.25

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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.