Home / 954,600.47-1,431,900.15-280,687.35

Finding the Fourth Proportional to 954,600.47, 1,431,900.15 and 280,687.35

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Solution

The fourth proportional to 954,600.47, 1,431,900.15 and 280,687.35 is: 421,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,600.47 : 1,431,900.15 = 280,687.35 : x
  2. Step 2: Convert to fraction form
    954,600.47/1,431,900.15 = 280,687.35/x
  3. Step 3: Cross multiply
    954,600.47x = 1,431,900.15 × 280,687.35
  4. Step 4: Simplify right side
    954,600.47x = 401,916,258,568.10
  5. Step 5: Solve for x
    x = 401,916,258,568.10/954,600.47
  6. Step 6: Final answer
    x = 421,030.86

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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.