Home / 769,275.41-1,061,640.83-463,448.07

Finding the Fourth Proportional to 769,275.41, 1,061,640.83 and 463,448.07

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Solution

The fourth proportional to 769,275.41, 1,061,640.83 and 463,448.07 is: 639,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,275.41 : 1,061,640.83 = 463,448.07 : x
  2. Step 2: Convert to fraction form
    769,275.41/1,061,640.83 = 463,448.07/x
  3. Step 3: Cross multiply
    769,275.41x = 1,061,640.83 × 463,448.07
  4. Step 4: Simplify right side
    769,275.41x = 492,015,391,379.46
  5. Step 5: Solve for x
    x = 492,015,391,379.46/769,275.41
  6. Step 6: Final answer
    x = 639,582.90

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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.