Home / 554,615.20-831,922.80-180,638.20

Finding the Fourth Proportional to 554,615.20, 831,922.80 and 180,638.20

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Solution

The fourth proportional to 554,615.20, 831,922.80 and 180,638.20 is: 270,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,615.20 : 831,922.80 = 180,638.20 : x
  2. Step 2: Convert to fraction form
    554,615.20/831,922.80 = 180,638.20/x
  3. Step 3: Cross multiply
    554,615.20x = 831,922.80 × 180,638.20
  4. Step 4: Simplify right side
    554,615.20x = 150,277,037,130.96
  5. Step 5: Solve for x
    x = 150,277,037,130.96/554,615.20
  6. Step 6: Final answer
    x = 270,957.30

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Double scale
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Similar ratio
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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.