Home / 694,861.65-1,042,472.17-406,916.45

Finding the Fourth Proportional to 694,861.65, 1,042,472.17 and 406,916.45

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Solution

The fourth proportional to 694,861.65, 1,042,472.17 and 406,916.45 is: 610,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,861.65 : 1,042,472.17 = 406,916.45 : x
  2. Step 2: Convert to fraction form
    694,861.65/1,042,472.17 = 406,916.45/x
  3. Step 3: Cross multiply
    694,861.65x = 1,042,472.17 × 406,916.45
  4. Step 4: Simplify right side
    694,861.65x = 424,199,069,427.84
  5. Step 5: Solve for x
    x = 424,199,069,427.84/694,861.65
  6. Step 6: Final answer
    x = 610,479.90

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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.