Home / 906,406.62-1,358,385.17-345,134.94

Finding the Fourth Proportional to 906,406.62, 1,358,385.17 and 345,134.94

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Solution

The fourth proportional to 906,406.62, 1,358,385.17 and 345,134.94 is: 517,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,406.62 : 1,358,385.17 = 345,134.94 : x
  2. Step 2: Convert to fraction form
    906,406.62/1,358,385.17 = 345,134.94/x
  3. Step 3: Cross multiply
    906,406.62x = 1,358,385.17 × 345,134.94
  4. Step 4: Simplify right side
    906,406.62x = 468,826,184,144.84
  5. Step 5: Solve for x
    x = 468,826,184,144.84/906,406.62
  6. Step 6: Final answer
    x = 517,236.05

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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.