Home / 908,472.58-1,362,293.61-339,436.32

Finding the Fourth Proportional to 908,472.58, 1,362,293.61 and 339,436.32

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Solution

The fourth proportional to 908,472.58, 1,362,293.61 and 339,436.32 is: 508,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,472.58 : 1,362,293.61 = 339,436.32 : x
  2. Step 2: Convert to fraction form
    908,472.58/1,362,293.61 = 339,436.32/x
  3. Step 3: Cross multiply
    908,472.58x = 1,362,293.61 × 339,436.32
  4. Step 4: Simplify right side
    908,472.58x = 462,411,929,737.92
  5. Step 5: Solve for x
    x = 462,411,929,737.92/908,472.58
  6. Step 6: Final answer
    x = 508,999.32

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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.