Home / 878,617.44-1,316,733.72-398,245.32

Finding the Fourth Proportional to 878,617.44, 1,316,733.72 and 398,245.32

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Solution

The fourth proportional to 878,617.44, 1,316,733.72 and 398,245.32 is: 596,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,617.44 : 1,316,733.72 = 398,245.32 : x
  2. Step 2: Convert to fraction form
    878,617.44/1,316,733.72 = 398,245.32/x
  3. Step 3: Cross multiply
    878,617.44x = 1,316,733.72 × 398,245.32
  4. Step 4: Simplify right side
    878,617.44x = 524,383,041,676.19
  5. Step 5: Solve for x
    x = 524,383,041,676.19/878,617.44
  6. Step 6: Final answer
    x = 596,827.49

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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.