Home / 655,849.34-981,551.98-403,289.80

Finding the Fourth Proportional to 655,849.34, 981,551.98 and 403,289.80

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Solution

The fourth proportional to 655,849.34, 981,551.98 and 403,289.80 is: 603,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,849.34 : 981,551.98 = 403,289.80 : x
  2. Step 2: Convert to fraction form
    655,849.34/981,551.98 = 403,289.80/x
  3. Step 3: Cross multiply
    655,849.34x = 981,551.98 × 403,289.80
  4. Step 4: Simplify right side
    655,849.34x = 395,849,894,779.60
  5. Step 5: Solve for x
    x = 395,849,894,779.60/655,849.34
  6. Step 6: Final answer
    x = 603,568.34

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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.