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Finding the Fourth Proportional to 508,087.54, 701,237.61 and 290,342.04

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Solution

The fourth proportional to 508,087.54, 701,237.61 and 290,342.04 is: 400,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,087.54 : 701,237.61 = 290,342.04 : x
  2. Step 2: Convert to fraction form
    508,087.54/701,237.61 = 290,342.04/x
  3. Step 3: Cross multiply
    508,087.54x = 701,237.61 × 290,342.04
  4. Step 4: Simplify right side
    508,087.54x = 203,598,757,123.34
  5. Step 5: Solve for x
    x = 203,598,757,123.34/508,087.54
  6. Step 6: Final answer
    x = 400,715.90

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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.