Home / 884,221.79-1,325,223.38-378,188.87

Finding the Fourth Proportional to 884,221.79, 1,325,223.38 and 378,188.87

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Solution

The fourth proportional to 884,221.79, 1,325,223.38 and 378,188.87 is: 566,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,221.79 : 1,325,223.38 = 378,188.87 : x
  2. Step 2: Convert to fraction form
    884,221.79/1,325,223.38 = 378,188.87/x
  3. Step 3: Cross multiply
    884,221.79x = 1,325,223.38 × 378,188.87
  4. Step 4: Simplify right side
    884,221.79x = 501,184,724,062.72
  5. Step 5: Solve for x
    x = 501,184,724,062.72/884,221.79
  6. Step 6: Final answer
    x = 566,808.84

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1.5x scale

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.