Home / 554,495.20-831,742.80-440,333.80

Finding the Fourth Proportional to 554,495.20, 831,742.80 and 440,333.80

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Solution

The fourth proportional to 554,495.20, 831,742.80 and 440,333.80 is: 660,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,495.20 : 831,742.80 = 440,333.80 : x
  2. Step 2: Convert to fraction form
    554,495.20/831,742.80 = 440,333.80/x
  3. Step 3: Cross multiply
    554,495.20x = 831,742.80 × 440,333.80
  4. Step 4: Simplify right side
    554,495.20x = 366,244,467,746.64
  5. Step 5: Solve for x
    x = 366,244,467,746.64/554,495.20
  6. Step 6: Final answer
    x = 660,500.70

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Similar ratio
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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.