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Finding the Fourth Proportional to 632,860.19, 873,349.35 and 342,471.73

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Solution

The fourth proportional to 632,860.19, 873,349.35 and 342,471.73 is: 472,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,860.19 : 873,349.35 = 342,471.73 : x
  2. Step 2: Convert to fraction form
    632,860.19/873,349.35 = 342,471.73/x
  3. Step 3: Cross multiply
    632,860.19x = 873,349.35 × 342,471.73
  4. Step 4: Simplify right side
    632,860.19x = 299,097,462,788.88
  5. Step 5: Solve for x
    x = 299,097,462,788.88/632,860.19
  6. Step 6: Final answer
    x = 472,612.23

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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.