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Finding the Fourth Proportional to 836,339.16, 1,154,145 and 454,362.60

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Solution

The fourth proportional to 836,339.16, 1,154,145 and 454,362.60 is: 627,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,339.16 : 1,154,145 = 454,362.60 : x
  2. Step 2: Convert to fraction form
    836,339.16/1,154,145 = 454,362.60/x
  3. Step 3: Cross multiply
    836,339.16x = 1,154,145 × 454,362.60
  4. Step 4: Simplify right side
    836,339.16x = 524,400,322,977
  5. Step 5: Solve for x
    x = 524,400,322,977/836,339.16
  6. Step 6: Final answer
    x = 627,018.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.