Home / 979,619.80-1,467,461.40-558,403.60

Finding the Fourth Proportional to 979,619.80, 1,467,461.40 and 558,403.60

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Solution

The fourth proportional to 979,619.80, 1,467,461.40 and 558,403.60 is: 836,483.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,619.80 : 1,467,461.40 = 558,403.60 : x
  2. Step 2: Convert to fraction form
    979,619.80/1,467,461.40 = 558,403.60/x
  3. Step 3: Cross multiply
    979,619.80x = 1,467,461.40 × 558,403.60
  4. Step 4: Simplify right side
    979,619.80x = 819,435,728,621.04
  5. Step 5: Solve for x
    x = 819,435,728,621.04/979,619.80
  6. Step 6: Final answer
    x = 836,483.43

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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.