Home / 785,815.54-1,084,555.90-463,604.82

Finding the Fourth Proportional to 785,815.54, 1,084,555.90 and 463,604.82

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Solution

The fourth proportional to 785,815.54, 1,084,555.90 and 463,604.82 is: 639,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,815.54 : 1,084,555.90 = 463,604.82 : x
  2. Step 2: Convert to fraction form
    785,815.54/1,084,555.90 = 463,604.82/x
  3. Step 3: Cross multiply
    785,815.54x = 1,084,555.90 × 463,604.82
  4. Step 4: Simplify right side
    785,815.54x = 502,805,342,799.44
  5. Step 5: Solve for x
    x = 502,805,342,799.44/785,815.54
  6. Step 6: Final answer
    x = 639,851.62

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1.5x scale

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.