Home / 782,849.30-1,080,313.74-460,580.15

Finding the Fourth Proportional to 782,849.30, 1,080,313.74 and 460,580.15

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Solution

The fourth proportional to 782,849.30, 1,080,313.74 and 460,580.15 is: 635,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,849.30 : 1,080,313.74 = 460,580.15 : x
  2. Step 2: Convert to fraction form
    782,849.30/1,080,313.74 = 460,580.15/x
  3. Step 3: Cross multiply
    782,849.30x = 1,080,313.74 × 460,580.15
  4. Step 4: Simplify right side
    782,849.30x = 497,571,064,416.26
  5. Step 5: Solve for x
    x = 497,571,064,416.26/782,849.30
  6. Step 6: Final answer
    x = 635,589.84

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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.