Home / 842,800.34-1,260,965.68-483,143.64

Finding the Fourth Proportional to 842,800.34, 1,260,965.68 and 483,143.64

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Solution

The fourth proportional to 842,800.34, 1,260,965.68 and 483,143.64 is: 722,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,800.34 : 1,260,965.68 = 483,143.64 : x
  2. Step 2: Convert to fraction form
    842,800.34/1,260,965.68 = 483,143.64/x
  3. Step 3: Cross multiply
    842,800.34x = 1,260,965.68 × 483,143.64
  4. Step 4: Simplify right side
    842,800.34x = 609,227,542,613.80
  5. Step 5: Solve for x
    x = 609,227,542,613.80/842,800.34
  6. Step 6: Final answer
    x = 722,861.05

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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.