Home / 782,489.94-1,173,696.24-458,461.60

Finding the Fourth Proportional to 782,489.94, 1,173,696.24 and 458,461.60

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Solution

The fourth proportional to 782,489.94, 1,173,696.24 and 458,461.60 is: 687,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,489.94 : 1,173,696.24 = 458,461.60 : x
  2. Step 2: Convert to fraction form
    782,489.94/1,173,696.24 = 458,461.60/x
  3. Step 3: Cross multiply
    782,489.94x = 1,173,696.24 × 458,461.60
  4. Step 4: Simplify right side
    782,489.94x = 538,094,656,104.38
  5. Step 5: Solve for x
    x = 538,094,656,104.38/782,489.94
  6. Step 6: Final answer
    x = 687,669.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.