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Finding the Fourth Proportional to 633,322.32, 873,986.12 and 342,937.04

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Solution

The fourth proportional to 633,322.32, 873,986.12 and 342,937.04 is: 473,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,322.32 : 873,986.12 = 342,937.04 : x
  2. Step 2: Convert to fraction form
    633,322.32/873,986.12 = 342,937.04/x
  3. Step 3: Cross multiply
    633,322.32x = 873,986.12 × 342,937.04
  4. Step 4: Simplify right side
    633,322.32x = 299,722,212,993.89
  5. Step 5: Solve for x
    x = 299,722,212,993.89/633,322.32
  6. Step 6: Final answer
    x = 473,253.83

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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.