Home / 802,815.36-1,107,876.06-463,276.32

Finding the Fourth Proportional to 802,815.36, 1,107,876.06 and 463,276.32

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Solution

The fourth proportional to 802,815.36, 1,107,876.06 and 463,276.32 is: 639,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,815.36 : 1,107,876.06 = 463,276.32 : x
  2. Step 2: Convert to fraction form
    802,815.36/1,107,876.06 = 463,276.32/x
  3. Step 3: Cross multiply
    802,815.36x = 1,107,876.06 × 463,276.32
  4. Step 4: Simplify right side
    802,815.36x = 513,252,744,092.90
  5. Step 5: Solve for x
    x = 513,252,744,092.90/802,815.36
  6. Step 6: Final answer
    x = 639,316.05

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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.