Home / 533,871.48-736,669.80-318,965.88

Finding the Fourth Proportional to 533,871.48, 736,669.80 and 318,965.88

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Solution

The fourth proportional to 533,871.48, 736,669.80 and 318,965.88 is: 440,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,871.48 : 736,669.80 = 318,965.88 : x
  2. Step 2: Convert to fraction form
    533,871.48/736,669.80 = 318,965.88/x
  3. Step 3: Cross multiply
    533,871.48x = 736,669.80 × 318,965.88
  4. Step 4: Simplify right side
    533,871.48x = 234,972,531,026.42
  5. Step 5: Solve for x
    x = 234,972,531,026.42/533,871.48
  6. Step 6: Final answer
    x = 440,129.39

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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.