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Finding the Fourth Proportional to 684,670.77, 944,527.26 and 443,031.34

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Solution

The fourth proportional to 684,670.77, 944,527.26 and 443,031.34 is: 611,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,670.77 : 944,527.26 = 443,031.34 : x
  2. Step 2: Convert to fraction form
    684,670.77/944,527.26 = 443,031.34/x
  3. Step 3: Cross multiply
    684,670.77x = 944,527.26 × 443,031.34
  4. Step 4: Simplify right side
    684,670.77x = 418,455,177,664.33
  5. Step 5: Solve for x
    x = 418,455,177,664.33/684,670.77
  6. Step 6: Final answer
    x = 611,177.22

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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.