Home / 435,365.40-653,048.10-329,611.80

Finding the Fourth Proportional to 435,365.40, 653,048.10 and 329,611.80

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Solution

The fourth proportional to 435,365.40, 653,048.10 and 329,611.80 is: 494,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,365.40 : 653,048.10 = 329,611.80 : x
  2. Step 2: Convert to fraction form
    435,365.40/653,048.10 = 329,611.80/x
  3. Step 3: Cross multiply
    435,365.40x = 653,048.10 × 329,611.80
  4. Step 4: Simplify right side
    435,365.40x = 215,252,359,727.58
  5. Step 5: Solve for x
    x = 215,252,359,727.58/435,365.40
  6. Step 6: Final answer
    x = 494,417.70

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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.