Home / 930,610.77-1,283,915.79-608,509.41

Finding the Fourth Proportional to 930,610.77, 1,283,915.79 and 608,509.41

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Solution

The fourth proportional to 930,610.77, 1,283,915.79 and 608,509.41 is: 839,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,610.77 : 1,283,915.79 = 608,509.41 : x
  2. Step 2: Convert to fraction form
    930,610.77/1,283,915.79 = 608,509.41/x
  3. Step 3: Cross multiply
    930,610.77x = 1,283,915.79 × 608,509.41
  4. Step 4: Simplify right side
    930,610.77x = 781,274,839,862.58
  5. Step 5: Solve for x
    x = 781,274,839,862.58/930,610.77
  6. Step 6: Final answer
    x = 839,529.12

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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.