Home / 632,210.73-872,450.78-345,731.01

Finding the Fourth Proportional to 632,210.73, 872,450.78 and 345,731.01

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Solution

The fourth proportional to 632,210.73, 872,450.78 and 345,731.01 is: 477,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,210.73 : 872,450.78 = 345,731.01 : x
  2. Step 2: Convert to fraction form
    632,210.73/872,450.78 = 345,731.01/x
  3. Step 3: Cross multiply
    632,210.73x = 872,450.78 × 345,731.01
  4. Step 4: Simplify right side
    632,210.73x = 301,633,287,616.03
  5. Step 5: Solve for x
    x = 301,633,287,616.03/632,210.73
  6. Step 6: Final answer
    x = 477,108.78

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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.