Home / 724,802.22-1,086,382.98-369,064.80

Finding the Fourth Proportional to 724,802.22, 1,086,382.98 and 369,064.80

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Solution

The fourth proportional to 724,802.22, 1,086,382.98 and 369,064.80 is: 553,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,802.22 : 1,086,382.98 = 369,064.80 : x
  2. Step 2: Convert to fraction form
    724,802.22/1,086,382.98 = 369,064.80/x
  3. Step 3: Cross multiply
    724,802.22x = 1,086,382.98 × 369,064.80
  4. Step 4: Simplify right side
    724,802.22x = 400,945,717,237.10
  5. Step 5: Solve for x
    x = 400,945,717,237.10/724,802.22
  6. Step 6: Final answer
    x = 553,179.48

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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.