Home / 578,607.20-867,667.34-218,717.52

Finding the Fourth Proportional to 578,607.20, 867,667.34 and 218,717.52

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Solution

The fourth proportional to 578,607.20, 867,667.34 and 218,717.52 is: 327,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,607.20 : 867,667.34 = 218,717.52 : x
  2. Step 2: Convert to fraction form
    578,607.20/867,667.34 = 218,717.52/x
  3. Step 3: Cross multiply
    578,607.20x = 867,667.34 × 218,717.52
  4. Step 4: Simplify right side
    578,607.20x = 189,774,046,082.84
  5. Step 5: Solve for x
    x = 189,774,046,082.84/578,607.20
  6. Step 6: Final answer
    x = 327,984.25

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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.