Home / 945,788.40-1,419,439.16-496,774.07

Finding the Fourth Proportional to 945,788.40, 1,419,439.16 and 496,774.07

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Solution

The fourth proportional to 945,788.40, 1,419,439.16 and 496,774.07 is: 745,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,788.40 : 1,419,439.16 = 496,774.07 : x
  2. Step 2: Convert to fraction form
    945,788.40/1,419,439.16 = 496,774.07/x
  3. Step 3: Cross multiply
    945,788.40x = 1,419,439.16 × 496,774.07
  4. Step 4: Simplify right side
    945,788.40x = 705,140,568,630.58
  5. Step 5: Solve for x
    x = 705,140,568,630.58/945,788.40
  6. Step 6: Final answer
    x = 745,558.49

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Double scale
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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.