Home / 982,322.40-1,473,483.60-561,640.80

Finding the Fourth Proportional to 982,322.40, 1,473,483.60 and 561,640.80

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Solution

The fourth proportional to 982,322.40, 1,473,483.60 and 561,640.80 is: 842,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,322.40 : 1,473,483.60 = 561,640.80 : x
  2. Step 2: Convert to fraction form
    982,322.40/1,473,483.60 = 561,640.80/x
  3. Step 3: Cross multiply
    982,322.40x = 1,473,483.60 × 561,640.80
  4. Step 4: Simplify right side
    982,322.40x = 827,568,507,890.88
  5. Step 5: Solve for x
    x = 827,568,507,890.88/982,322.40
  6. Step 6: Final answer
    x = 842,461.20

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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.