Home / 632,211.23-872,451.47-345,731.51

Finding the Fourth Proportional to 632,211.23, 872,451.47 and 345,731.51

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Solution

The fourth proportional to 632,211.23, 872,451.47 and 345,731.51 is: 477,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,211.23 : 872,451.47 = 345,731.51 : x
  2. Step 2: Convert to fraction form
    632,211.23/872,451.47 = 345,731.51/x
  3. Step 3: Cross multiply
    632,211.23x = 872,451.47 × 345,731.51
  4. Step 4: Simplify right side
    632,211.23x = 301,633,962,396.16
  5. Step 5: Solve for x
    x = 301,633,962,396.16/632,211.23
  6. Step 6: Final answer
    x = 477,109.47

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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.