Home / 802,815.56-1,107,884.76-440,245.16

Finding the Fourth Proportional to 802,815.56, 1,107,884.76 and 440,245.16

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Solution

The fourth proportional to 802,815.56, 1,107,884.76 and 440,245.16 is: 607,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,815.56 : 1,107,884.76 = 440,245.16 : x
  2. Step 2: Convert to fraction form
    802,815.56/1,107,884.76 = 440,245.16/x
  3. Step 3: Cross multiply
    802,815.56x = 1,107,884.76 × 440,245.16
  4. Step 4: Simplify right side
    802,815.56x = 487,740,903,427.76
  5. Step 5: Solve for x
    x = 487,740,903,427.76/802,815.56
  6. Step 6: Final answer
    x = 607,537.93

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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.