Home / 769,276.41-1,061,642.21-463,449.07

Finding the Fourth Proportional to 769,276.41, 1,061,642.21 and 463,449.07

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Solution

The fourth proportional to 769,276.41, 1,061,642.21 and 463,449.07 is: 639,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,276.41 : 1,061,642.21 = 463,449.07 : x
  2. Step 2: Convert to fraction form
    769,276.41/1,061,642.21 = 463,449.07/x
  3. Step 3: Cross multiply
    769,276.41x = 1,061,642.21 × 463,449.07
  4. Step 4: Simplify right side
    769,276.41x = 492,017,094,897.25
  5. Step 5: Solve for x
    x = 492,017,094,897.25/769,276.41
  6. Step 6: Final answer
    x = 639,584.27

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Double scale
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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.