Home / 979,615.80-1,467,455.40-558,399.60

Finding the Fourth Proportional to 979,615.80, 1,467,455.40 and 558,399.60

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Solution

The fourth proportional to 979,615.80, 1,467,455.40 and 558,399.60 is: 836,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,615.80 : 1,467,455.40 = 558,399.60 : x
  2. Step 2: Convert to fraction form
    979,615.80/1,467,455.40 = 558,399.60/x
  3. Step 3: Cross multiply
    979,615.80x = 1,467,455.40 × 558,399.60
  4. Step 4: Simplify right side
    979,615.80x = 819,426,508,377.84
  5. Step 5: Solve for x
    x = 819,426,508,377.84/979,615.80
  6. Step 6: Final answer
    x = 836,477.43

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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.