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Finding the Fourth Proportional to 432,473.76, 596,706.34 and 375,021.27

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Solution

The fourth proportional to 432,473.76, 596,706.34 and 375,021.27 is: 517,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,473.76 : 596,706.34 = 375,021.27 : x
  2. Step 2: Convert to fraction form
    432,473.76/596,706.34 = 375,021.27/x
  3. Step 3: Cross multiply
    432,473.76x = 596,706.34 × 375,021.27
  4. Step 4: Simplify right side
    432,473.76x = 223,777,570,743.95
  5. Step 5: Solve for x
    x = 223,777,570,743.95/432,473.76
  6. Step 6: Final answer
    x = 517,436.18

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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.