Home / 894,902.81-1,342,480.29-287,487.43

Finding the Fourth Proportional to 894,902.81, 1,342,480.29 and 287,487.43

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Solution

The fourth proportional to 894,902.81, 1,342,480.29 and 287,487.43 is: 431,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,902.81 : 1,342,480.29 = 287,487.43 : x
  2. Step 2: Convert to fraction form
    894,902.81/1,342,480.29 = 287,487.43/x
  3. Step 3: Cross multiply
    894,902.81x = 1,342,480.29 × 287,487.43
  4. Step 4: Simplify right side
    894,902.81x = 385,946,208,997.78
  5. Step 5: Solve for x
    x = 385,946,208,997.78/894,902.81
  6. Step 6: Final answer
    x = 431,271.65

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Double scale
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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.