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Finding the Fourth Proportional to 684,693.56, 944,558.73 and 443,054.22

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Solution

The fourth proportional to 684,693.56, 944,558.73 and 443,054.22 is: 611,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,693.56 : 944,558.73 = 443,054.22 : x
  2. Step 2: Convert to fraction form
    684,693.56/944,558.73 = 443,054.22/x
  3. Step 3: Cross multiply
    684,693.56x = 944,558.73 × 443,054.22
  4. Step 4: Simplify right side
    684,693.56x = 418,490,731,364.34
  5. Step 5: Solve for x
    x = 418,490,731,364.34/684,693.56
  6. Step 6: Final answer
    x = 611,208.81

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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.