Home / 843,627.61-1,164,026.05-499,571.61

Finding the Fourth Proportional to 843,627.61, 1,164,026.05 and 499,571.61

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Solution

The fourth proportional to 843,627.61, 1,164,026.05 and 499,571.61 is: 689,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,627.61 : 1,164,026.05 = 499,571.61 : x
  2. Step 2: Convert to fraction form
    843,627.61/1,164,026.05 = 499,571.61/x
  3. Step 3: Cross multiply
    843,627.61x = 1,164,026.05 × 499,571.61
  4. Step 4: Simplify right side
    843,627.61x = 581,514,367,880.44
  5. Step 5: Solve for x
    x = 581,514,367,880.44/843,627.61
  6. Step 6: Final answer
    x = 689,302.20

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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.