Home / 896,696.89-1,237,431.63-488,789.80

Finding the Fourth Proportional to 896,696.89, 1,237,431.63 and 488,789.80

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Solution

The fourth proportional to 896,696.89, 1,237,431.63 and 488,789.80 is: 674,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,696.89 : 1,237,431.63 = 488,789.80 : x
  2. Step 2: Convert to fraction form
    896,696.89/1,237,431.63 = 488,789.80/x
  3. Step 3: Cross multiply
    896,696.89x = 1,237,431.63 × 488,789.80
  4. Step 4: Simplify right side
    896,696.89x = 604,843,955,847.80
  5. Step 5: Solve for x
    x = 604,843,955,847.80/896,696.89
  6. Step 6: Final answer
    x = 674,524.43

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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.