Home / 759,287.55-1,047,733.86-419,690.19

Finding the Fourth Proportional to 759,287.55, 1,047,733.86 and 419,690.19

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Solution

The fourth proportional to 759,287.55, 1,047,733.86 and 419,690.19 is: 579,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,287.55 : 1,047,733.86 = 419,690.19 : x
  2. Step 2: Convert to fraction form
    759,287.55/1,047,733.86 = 419,690.19/x
  3. Step 3: Cross multiply
    759,287.55x = 1,047,733.86 × 419,690.19
  4. Step 4: Simplify right side
    759,287.55x = 439,723,622,772.83
  5. Step 5: Solve for x
    x = 439,723,622,772.83/759,287.55
  6. Step 6: Final answer
    x = 579,126.61

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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.