Home / 883,987.60-1,325,981.40-323,424.40

Finding the Fourth Proportional to 883,987.60, 1,325,981.40 and 323,424.40

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Solution

The fourth proportional to 883,987.60, 1,325,981.40 and 323,424.40 is: 485,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,987.60 : 1,325,981.40 = 323,424.40 : x
  2. Step 2: Convert to fraction form
    883,987.60/1,325,981.40 = 323,424.40/x
  3. Step 3: Cross multiply
    883,987.60x = 1,325,981.40 × 323,424.40
  4. Step 4: Simplify right side
    883,987.60x = 428,854,738,706.16
  5. Step 5: Solve for x
    x = 428,854,738,706.16/883,987.60
  6. Step 6: Final answer
    x = 485,136.60

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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.