Home / 850,910.72-1,275,162.56-471,998.40

Finding the Fourth Proportional to 850,910.72, 1,275,162.56 and 471,998.40

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Solution

The fourth proportional to 850,910.72, 1,275,162.56 and 471,998.40 is: 707,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,910.72 : 1,275,162.56 = 471,998.40 : x
  2. Step 2: Convert to fraction form
    850,910.72/1,275,162.56 = 471,998.40/x
  3. Step 3: Cross multiply
    850,910.72x = 1,275,162.56 × 471,998.40
  4. Step 4: Simplify right side
    850,910.72x = 601,874,688,059.90
  5. Step 5: Solve for x
    x = 601,874,688,059.90/850,910.72
  6. Step 6: Final answer
    x = 707,330.01

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1.5x scale

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.