Home / 865,845.72-1,194,863.60-483,872.40

Finding the Fourth Proportional to 865,845.72, 1,194,863.60 and 483,872.40

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Solution

The fourth proportional to 865,845.72, 1,194,863.60 and 483,872.40 is: 667,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,845.72 : 1,194,863.60 = 483,872.40 : x
  2. Step 2: Convert to fraction form
    865,845.72/1,194,863.60 = 483,872.40/x
  3. Step 3: Cross multiply
    865,845.72x = 1,194,863.60 × 483,872.40
  4. Step 4: Simplify right side
    865,845.72x = 578,161,517,804.64
  5. Step 5: Solve for x
    x = 578,161,517,804.64/865,845.72
  6. Step 6: Final answer
    x = 667,741.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.