Home / 823,476.34-1,136,138.32-460,842.58

Finding the Fourth Proportional to 823,476.34, 1,136,138.32 and 460,842.58

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Solution

The fourth proportional to 823,476.34, 1,136,138.32 and 460,842.58 is: 635,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,476.34 : 1,136,138.32 = 460,842.58 : x
  2. Step 2: Convert to fraction form
    823,476.34/1,136,138.32 = 460,842.58/x
  3. Step 3: Cross multiply
    823,476.34x = 1,136,138.32 × 460,842.58
  4. Step 4: Simplify right side
    823,476.34x = 523,580,914,625.67
  5. Step 5: Solve for x
    x = 523,580,914,625.67/823,476.34
  6. Step 6: Final answer
    x = 635,817.80

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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.