Home / 728,936.46-1,092,450.51-391,582.80

Finding the Fourth Proportional to 728,936.46, 1,092,450.51 and 391,582.80

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Solution

The fourth proportional to 728,936.46, 1,092,450.51 and 391,582.80 is: 586,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,936.46 : 1,092,450.51 = 391,582.80 : x
  2. Step 2: Convert to fraction form
    728,936.46/1,092,450.51 = 391,582.80/x
  3. Step 3: Cross multiply
    728,936.46x = 1,092,450.51 × 391,582.80
  4. Step 4: Simplify right side
    728,936.46x = 427,784,829,567.23
  5. Step 5: Solve for x
    x = 427,784,829,567.23/728,936.46
  6. Step 6: Final answer
    x = 586,861.62

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1.5x scale

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.