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Finding the Fourth Proportional to 502,674.42, 693,673.11 and 276,318.30

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Solution

The fourth proportional to 502,674.42, 693,673.11 and 276,318.30 is: 381,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,674.42 : 693,673.11 = 276,318.30 : x
  2. Step 2: Convert to fraction form
    502,674.42/693,673.11 = 276,318.30/x
  3. Step 3: Cross multiply
    502,674.42x = 693,673.11 × 276,318.30
  4. Step 4: Simplify right side
    502,674.42x = 191,674,574,510.91
  5. Step 5: Solve for x
    x = 191,674,574,510.91/502,674.42
  6. Step 6: Final answer
    x = 381,309.59

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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.