Home / 645,110.70-967,666.05-530,949.30

Finding the Fourth Proportional to 645,110.70, 967,666.05 and 530,949.30

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Solution

The fourth proportional to 645,110.70, 967,666.05 and 530,949.30 is: 796,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,110.70 : 967,666.05 = 530,949.30 : x
  2. Step 2: Convert to fraction form
    645,110.70/967,666.05 = 530,949.30/x
  3. Step 3: Cross multiply
    645,110.70x = 967,666.05 × 530,949.30
  4. Step 4: Simplify right side
    645,110.70x = 513,781,611,881.27
  5. Step 5: Solve for x
    x = 513,781,611,881.27/645,110.70
  6. Step 6: Final answer
    x = 796,423.95

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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.