Home / 850,002.60-1,275,003.90-289,037.10

Finding the Fourth Proportional to 850,002.60, 1,275,003.90 and 289,037.10

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Solution

The fourth proportional to 850,002.60, 1,275,003.90 and 289,037.10 is: 433,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,002.60 : 1,275,003.90 = 289,037.10 : x
  2. Step 2: Convert to fraction form
    850,002.60/1,275,003.90 = 289,037.10/x
  3. Step 3: Cross multiply
    850,002.60x = 1,275,003.90 × 289,037.10
  4. Step 4: Simplify right side
    850,002.60x = 368,523,429,744.69
  5. Step 5: Solve for x
    x = 368,523,429,744.69/850,002.60
  6. Step 6: Final answer
    x = 433,555.65

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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.