Home / 722,840.10-1,083,482.55-273,387.30

Finding the Fourth Proportional to 722,840.10, 1,083,482.55 and 273,387.30

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Solution

The fourth proportional to 722,840.10, 1,083,482.55 and 273,387.30 is: 409,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,840.10 : 1,083,482.55 = 273,387.30 : x
  2. Step 2: Convert to fraction form
    722,840.10/1,083,482.55 = 273,387.30/x
  3. Step 3: Cross multiply
    722,840.10x = 1,083,482.55 × 273,387.30
  4. Step 4: Simplify right side
    722,840.10x = 296,210,368,941.62
  5. Step 5: Solve for x
    x = 296,210,368,941.62/722,840.10
  6. Step 6: Final answer
    x = 409,786.85

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Double scale
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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.