Home / 558,436.77-831,339.09-555,115.28

Finding the Fourth Proportional to 558,436.77, 831,339.09 and 555,115.28

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Solution

The fourth proportional to 558,436.77, 831,339.09 and 555,115.28 is: 826,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,436.77 : 831,339.09 = 555,115.28 : x
  2. Step 2: Convert to fraction form
    558,436.77/831,339.09 = 555,115.28/x
  3. Step 3: Cross multiply
    558,436.77x = 831,339.09 × 555,115.28
  4. Step 4: Simplify right side
    558,436.77x = 461,489,027,563.60
  5. Step 5: Solve for x
    x = 461,489,027,563.60/558,436.77
  6. Step 6: Final answer
    x = 826,394.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.