Home / 711,785.92-982,264.53-389,496.04

Finding the Fourth Proportional to 711,785.92, 982,264.53 and 389,496.04

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Solution

The fourth proportional to 711,785.92, 982,264.53 and 389,496.04 is: 537,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,785.92 : 982,264.53 = 389,496.04 : x
  2. Step 2: Convert to fraction form
    711,785.92/982,264.53 = 389,496.04/x
  3. Step 3: Cross multiply
    711,785.92x = 982,264.53 × 389,496.04
  4. Step 4: Simplify right side
    711,785.92x = 382,588,144,667.46
  5. Step 5: Solve for x
    x = 382,588,144,667.46/711,785.92
  6. Step 6: Final answer
    x = 537,504.52

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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.