Home / 706,404.30-1,059,606.45-422,969.10

Finding the Fourth Proportional to 706,404.30, 1,059,606.45 and 422,969.10

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Solution

The fourth proportional to 706,404.30, 1,059,606.45 and 422,969.10 is: 634,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,404.30 : 1,059,606.45 = 422,969.10 : x
  2. Step 2: Convert to fraction form
    706,404.30/1,059,606.45 = 422,969.10/x
  3. Step 3: Cross multiply
    706,404.30x = 1,059,606.45 × 422,969.10
  4. Step 4: Simplify right side
    706,404.30x = 448,180,786,510.70
  5. Step 5: Solve for x
    x = 448,180,786,510.70/706,404.30
  6. Step 6: Final answer
    x = 634,453.65

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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.