Home / 814,271.49-1,124,277.03-542,979

Finding the Fourth Proportional to 814,271.49, 1,124,277.03 and 542,979

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Solution

The fourth proportional to 814,271.49, 1,124,277.03 and 542,979 is: 749,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,271.49 : 1,124,277.03 = 542,979 : x
  2. Step 2: Convert to fraction form
    814,271.49/1,124,277.03 = 542,979/x
  3. Step 3: Cross multiply
    814,271.49x = 1,124,277.03 × 542,979
  4. Step 4: Simplify right side
    814,271.49x = 610,458,817,472.37
  5. Step 5: Solve for x
    x = 610,458,817,472.37/814,271.49
  6. Step 6: Final answer
    x = 749,699.36

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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.