Home / 813,542.56-1,220,360.32-273,582.16

Finding the Fourth Proportional to 813,542.56, 1,220,360.32 and 273,582.16

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Solution

The fourth proportional to 813,542.56, 1,220,360.32 and 273,582.16 is: 410,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,542.56 : 1,220,360.32 = 273,582.16 : x
  2. Step 2: Convert to fraction form
    813,542.56/1,220,360.32 = 273,582.16/x
  3. Step 3: Cross multiply
    813,542.56x = 1,220,360.32 × 273,582.16
  4. Step 4: Simplify right side
    813,542.56x = 333,868,812,323.89
  5. Step 5: Solve for x
    x = 333,868,812,323.89/813,542.56
  6. Step 6: Final answer
    x = 410,388.87

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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.