Home / 954,717.64-1,431,874.80-280,615.60

Finding the Fourth Proportional to 954,717.64, 1,431,874.80 and 280,615.60

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Solution

The fourth proportional to 954,717.64, 1,431,874.80 and 280,615.60 is: 420,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,717.64 : 1,431,874.80 = 280,615.60 : x
  2. Step 2: Convert to fraction form
    954,717.64/1,431,874.80 = 280,615.60/x
  3. Step 3: Cross multiply
    954,717.64x = 1,431,874.80 × 280,615.60
  4. Step 4: Simplify right side
    954,717.64x = 401,806,406,126.88
  5. Step 5: Solve for x
    x = 401,806,406,126.88/954,717.64
  6. Step 6: Final answer
    x = 420,864.13

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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.