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Finding the Fourth Proportional to 633,079.62, 873,733.08 and 361,085.17

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Solution

The fourth proportional to 633,079.62, 873,733.08 and 361,085.17 is: 498,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,079.62 : 873,733.08 = 361,085.17 : x
  2. Step 2: Convert to fraction form
    633,079.62/873,733.08 = 361,085.17/x
  3. Step 3: Cross multiply
    633,079.62x = 873,733.08 × 361,085.17
  4. Step 4: Simplify right side
    633,079.62x = 315,492,054,045.93
  5. Step 5: Solve for x
    x = 315,492,054,045.93/633,079.62
  6. Step 6: Final answer
    x = 498,344.98

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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.