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Finding the Fourth Proportional to 508,096.04, 701,182.17 and 278,638.79

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Solution

The fourth proportional to 508,096.04, 701,182.17 and 278,638.79 is: 384,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,096.04 : 701,182.17 = 278,638.79 : x
  2. Step 2: Convert to fraction form
    508,096.04/701,182.17 = 278,638.79/x
  3. Step 3: Cross multiply
    508,096.04x = 701,182.17 × 278,638.79
  4. Step 4: Simplify right side
    508,096.04x = 195,376,547,912.46
  5. Step 5: Solve for x
    x = 195,376,547,912.46/508,096.04
  6. Step 6: Final answer
    x = 384,526.81

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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.