Home / 435,328.80-652,118.40-293,611.20

Finding the Fourth Proportional to 435,328.80, 652,118.40 and 293,611.20

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Solution

The fourth proportional to 435,328.80, 652,118.40 and 293,611.20 is: 439,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,328.80 : 652,118.40 = 293,611.20 : x
  2. Step 2: Convert to fraction form
    435,328.80/652,118.40 = 293,611.20/x
  3. Step 3: Cross multiply
    435,328.80x = 652,118.40 × 293,611.20
  4. Step 4: Simplify right side
    435,328.80x = 191,469,265,966.08
  5. Step 5: Solve for x
    x = 191,469,265,966.08/435,328.80
  6. Step 6: Final answer
    x = 439,826.78

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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.