Home / 931,878.80-1,397,818.20-267,030.80

Finding the Fourth Proportional to 931,878.80, 1,397,818.20 and 267,030.80

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Solution

The fourth proportional to 931,878.80, 1,397,818.20 and 267,030.80 is: 400,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,878.80 : 1,397,818.20 = 267,030.80 : x
  2. Step 2: Convert to fraction form
    931,878.80/1,397,818.20 = 267,030.80/x
  3. Step 3: Cross multiply
    931,878.80x = 1,397,818.20 × 267,030.80
  4. Step 4: Simplify right side
    931,878.80x = 373,260,512,200.56
  5. Step 5: Solve for x
    x = 373,260,512,200.56/931,878.80
  6. Step 6: Final answer
    x = 400,546.20

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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.