Home / 906,406.44-1,358,384.90-345,134.76

Finding the Fourth Proportional to 906,406.44, 1,358,384.90 and 345,134.76

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Solution

The fourth proportional to 906,406.44, 1,358,384.90 and 345,134.76 is: 517,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,406.44 : 1,358,384.90 = 345,134.76 : x
  2. Step 2: Convert to fraction form
    906,406.44/1,358,384.90 = 345,134.76/x
  3. Step 3: Cross multiply
    906,406.44x = 1,358,384.90 × 345,134.76
  4. Step 4: Simplify right side
    906,406.44x = 468,825,844,723.45
  5. Step 5: Solve for x
    x = 468,825,844,723.45/906,406.44
  6. Step 6: Final answer
    x = 517,235.78

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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.