Home / 908,472.71-1,362,293.78-339,436.46

Finding the Fourth Proportional to 908,472.71, 1,362,293.78 and 339,436.46

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Solution

The fourth proportional to 908,472.71, 1,362,293.78 and 339,436.46 is: 508,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,472.71 : 1,362,293.78 = 339,436.46 : x
  2. Step 2: Convert to fraction form
    908,472.71/1,362,293.78 = 339,436.46/x
  3. Step 3: Cross multiply
    908,472.71x = 1,362,293.78 × 339,436.46
  4. Step 4: Simplify right side
    908,472.71x = 462,412,169,654.57
  5. Step 5: Solve for x
    x = 462,412,169,654.57/908,472.71
  6. Step 6: Final answer
    x = 508,999.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.