Home / 850,437.20-1,275,655.80-344,997.20

Finding the Fourth Proportional to 850,437.20, 1,275,655.80 and 344,997.20

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Solution

The fourth proportional to 850,437.20, 1,275,655.80 and 344,997.20 is: 517,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,437.20 : 1,275,655.80 = 344,997.20 : x
  2. Step 2: Convert to fraction form
    850,437.20/1,275,655.80 = 344,997.20/x
  3. Step 3: Cross multiply
    850,437.20x = 1,275,655.80 × 344,997.20
  4. Step 4: Simplify right side
    850,437.20x = 440,097,679,163.76
  5. Step 5: Solve for x
    x = 440,097,679,163.76/850,437.20
  6. Step 6: Final answer
    x = 517,495.80

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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.