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Finding the Fourth Proportional to 502,885.80, 754,328.70 and 303,103.35

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Solution

The fourth proportional to 502,885.80, 754,328.70 and 303,103.35 is: 454,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,885.80 : 754,328.70 = 303,103.35 : x
  2. Step 2: Convert to fraction form
    502,885.80/754,328.70 = 303,103.35/x
  3. Step 3: Cross multiply
    502,885.80x = 754,328.70 × 303,103.35
  4. Step 4: Simplify right side
    502,885.80x = 228,639,555,971.15
  5. Step 5: Solve for x
    x = 228,639,555,971.15/502,885.80
  6. Step 6: Final answer
    x = 454,655.03

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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.