Home / 813,751.10-1,220,626.61-273,962.24

Finding the Fourth Proportional to 813,751.10, 1,220,626.61 and 273,962.24

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Solution

The fourth proportional to 813,751.10, 1,220,626.61 and 273,962.24 is: 410,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,751.10 : 1,220,626.61 = 273,962.24 : x
  2. Step 2: Convert to fraction form
    813,751.10/1,220,626.61 = 273,962.24/x
  3. Step 3: Cross multiply
    813,751.10x = 1,220,626.61 × 273,962.24
  4. Step 4: Simplify right side
    813,751.10x = 334,405,600,279.21
  5. Step 5: Solve for x
    x = 334,405,600,279.21/813,751.10
  6. Step 6: Final answer
    x = 410,943.35

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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.