Home / 807,629.40-1,211,444.10-246,663.90

Finding the Fourth Proportional to 807,629.40, 1,211,444.10 and 246,663.90

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Solution

The fourth proportional to 807,629.40, 1,211,444.10 and 246,663.90 is: 369,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,629.40 : 1,211,444.10 = 246,663.90 : x
  2. Step 2: Convert to fraction form
    807,629.40/1,211,444.10 = 246,663.90/x
  3. Step 3: Cross multiply
    807,629.40x = 1,211,444.10 × 246,663.90
  4. Step 4: Simplify right side
    807,629.40x = 298,819,526,337.99
  5. Step 5: Solve for x
    x = 298,819,526,337.99/807,629.40
  6. Step 6: Final answer
    x = 369,995.85

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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.