Home / 802,371.56-1,107,394.74-512,108.52

Finding the Fourth Proportional to 802,371.56, 1,107,394.74 and 512,108.52

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Solution

The fourth proportional to 802,371.56, 1,107,394.74 and 512,108.52 is: 706,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,371.56 : 1,107,394.74 = 512,108.52 : x
  2. Step 2: Convert to fraction form
    802,371.56/1,107,394.74 = 512,108.52/x
  3. Step 3: Cross multiply
    802,371.56x = 1,107,394.74 × 512,108.52
  4. Step 4: Simplify right side
    802,371.56x = 567,106,281,357.19
  5. Step 5: Solve for x
    x = 567,106,281,357.19/802,371.56
  6. Step 6: Final answer
    x = 706,787.62

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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.