Home / 870,883.08-1,201,777.76-483,723.60

Finding the Fourth Proportional to 870,883.08, 1,201,777.76 and 483,723.60

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Solution

The fourth proportional to 870,883.08, 1,201,777.76 and 483,723.60 is: 667,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,883.08 : 1,201,777.76 = 483,723.60 : x
  2. Step 2: Convert to fraction form
    870,883.08/1,201,777.76 = 483,723.60/x
  3. Step 3: Cross multiply
    870,883.08x = 1,201,777.76 × 483,723.60
  4. Step 4: Simplify right side
    870,883.08x = 581,328,261,169.78
  5. Step 5: Solve for x
    x = 581,328,261,169.78/870,883.08
  6. Step 6: Final answer
    x = 667,515.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.