Home / 802,904.28-1,108,056.90-463,394.36

Finding the Fourth Proportional to 802,904.28, 1,108,056.90 and 463,394.36

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Solution

The fourth proportional to 802,904.28, 1,108,056.90 and 463,394.36 is: 639,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,904.28 : 1,108,056.90 = 463,394.36 : x
  2. Step 2: Convert to fraction form
    802,904.28/1,108,056.90 = 463,394.36/x
  3. Step 3: Cross multiply
    802,904.28x = 1,108,056.90 × 463,394.36
  4. Step 4: Simplify right side
    802,904.28x = 513,467,318,019.08
  5. Step 5: Solve for x
    x = 513,467,318,019.08/802,904.28
  6. Step 6: Final answer
    x = 639,512.49

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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.