Home / 906,325.12-1,356,530.64-666,375.40

Finding the Fourth Proportional to 906,325.12, 1,356,530.64 and 666,375.40

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Solution

The fourth proportional to 906,325.12, 1,356,530.64 and 666,375.40 is: 997,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,325.12 : 1,356,530.64 = 666,375.40 : x
  2. Step 2: Convert to fraction form
    906,325.12/1,356,530.64 = 666,375.40/x
  3. Step 3: Cross multiply
    906,325.12x = 1,356,530.64 × 666,375.40
  4. Step 4: Simplify right side
    906,325.12x = 903,958,647,842.26
  5. Step 5: Solve for x
    x = 903,958,647,842.26/906,325.12
  6. Step 6: Final answer
    x = 997,388.94

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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.