Home / 711,565.13-982,003.43-409,856.33

Finding the Fourth Proportional to 711,565.13, 982,003.43 and 409,856.33

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Solution

The fourth proportional to 711,565.13, 982,003.43 and 409,856.33 is: 565,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,565.13 : 982,003.43 = 409,856.33 : x
  2. Step 2: Convert to fraction form
    711,565.13/982,003.43 = 409,856.33/x
  3. Step 3: Cross multiply
    711,565.13x = 982,003.43 × 409,856.33
  4. Step 4: Simplify right side
    711,565.13x = 402,480,321,867.21
  5. Step 5: Solve for x
    x = 402,480,321,867.21/711,565.13
  6. Step 6: Final answer
    x = 565,626.82

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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.