Home / 724,880.58-1,086,402.24-409,515.18

Finding the Fourth Proportional to 724,880.58, 1,086,402.24 and 409,515.18

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Solution

The fourth proportional to 724,880.58, 1,086,402.24 and 409,515.18 is: 613,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,880.58 : 1,086,402.24 = 409,515.18 : x
  2. Step 2: Convert to fraction form
    724,880.58/1,086,402.24 = 409,515.18/x
  3. Step 3: Cross multiply
    724,880.58x = 1,086,402.24 × 409,515.18
  4. Step 4: Simplify right side
    724,880.58x = 444,898,208,866.00
  5. Step 5: Solve for x
    x = 444,898,208,866.00/724,880.58
  6. Step 6: Final answer
    x = 613,753.80

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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.