Home / 945,621.70-1,418,562.15-314,469.70

Finding the Fourth Proportional to 945,621.70, 1,418,562.15 and 314,469.70

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Solution

The fourth proportional to 945,621.70, 1,418,562.15 and 314,469.70 is: 471,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,621.70 : 1,418,562.15 = 314,469.70 : x
  2. Step 2: Convert to fraction form
    945,621.70/1,418,562.15 = 314,469.70/x
  3. Step 3: Cross multiply
    945,621.70x = 1,418,562.15 × 314,469.70
  4. Step 4: Simplify right side
    945,621.70x = 446,094,813,741.86
  5. Step 5: Solve for x
    x = 446,094,813,741.86/945,621.70
  6. Step 6: Final answer
    x = 471,747.65

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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.