Home / 480,089.15-720,327.37-213,667.44

Finding the Fourth Proportional to 480,089.15, 720,327.37 and 213,667.44

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Solution

The fourth proportional to 480,089.15, 720,327.37 and 213,667.44 is: 320,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,089.15 : 720,327.37 = 213,667.44 : x
  2. Step 2: Convert to fraction form
    480,089.15/720,327.37 = 213,667.44/x
  3. Step 3: Cross multiply
    480,089.15x = 720,327.37 × 213,667.44
  4. Step 4: Simplify right side
    480,089.15x = 153,910,501,508.20
  5. Step 5: Solve for x
    x = 153,910,501,508.20/480,089.15
  6. Step 6: Final answer
    x = 320,587.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.