Home / 908,472.21-1,362,293.02-339,435.96

Finding the Fourth Proportional to 908,472.21, 1,362,293.02 and 339,435.96

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Solution

The fourth proportional to 908,472.21, 1,362,293.02 and 339,435.96 is: 508,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,472.21 : 1,362,293.02 = 339,435.96 : x
  2. Step 2: Convert to fraction form
    908,472.21/1,362,293.02 = 339,435.96/x
  3. Step 3: Cross multiply
    908,472.21x = 1,362,293.02 × 339,435.96
  4. Step 4: Simplify right side
    908,472.21x = 462,411,239,045.00
  5. Step 5: Solve for x
    x = 462,411,239,045.00/908,472.21
  6. Step 6: Final answer
    x = 508,998.77

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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.