Home / 706,200.30-1,059,300.45-422,765.10

Finding the Fourth Proportional to 706,200.30, 1,059,300.45 and 422,765.10

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Solution

The fourth proportional to 706,200.30, 1,059,300.45 and 422,765.10 is: 634,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,200.30 : 1,059,300.45 = 422,765.10 : x
  2. Step 2: Convert to fraction form
    706,200.30/1,059,300.45 = 422,765.10/x
  3. Step 3: Cross multiply
    706,200.30x = 1,059,300.45 × 422,765.10
  4. Step 4: Simplify right side
    706,200.30x = 447,835,260,674.30
  5. Step 5: Solve for x
    x = 447,835,260,674.30/706,200.30
  6. Step 6: Final answer
    x = 634,147.65

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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.