Home / 916,615.20-1,374,922.80-618,016.80

Finding the Fourth Proportional to 916,615.20, 1,374,922.80 and 618,016.80

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Solution

The fourth proportional to 916,615.20, 1,374,922.80 and 618,016.80 is: 927,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,615.20 : 1,374,922.80 = 618,016.80 : x
  2. Step 2: Convert to fraction form
    916,615.20/1,374,922.80 = 618,016.80/x
  3. Step 3: Cross multiply
    916,615.20x = 1,374,922.80 × 618,016.80
  4. Step 4: Simplify right side
    916,615.20x = 849,725,389,103.04
  5. Step 5: Solve for x
    x = 849,725,389,103.04/916,615.20
  6. Step 6: Final answer
    x = 927,025.20

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1.5x scale

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.