Home / 989,270.80-1,483,906.20-241,316.80

Finding the Fourth Proportional to 989,270.80, 1,483,906.20 and 241,316.80

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Solution

The fourth proportional to 989,270.80, 1,483,906.20 and 241,316.80 is: 361,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,270.80 : 1,483,906.20 = 241,316.80 : x
  2. Step 2: Convert to fraction form
    989,270.80/1,483,906.20 = 241,316.80/x
  3. Step 3: Cross multiply
    989,270.80x = 1,483,906.20 × 241,316.80
  4. Step 4: Simplify right side
    989,270.80x = 358,091,495,684.16
  5. Step 5: Solve for x
    x = 358,091,495,684.16/989,270.80
  6. Step 6: Final answer
    x = 361,975.20

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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.