Home / 461,864.36-637,138.02-280,528.04

Finding the Fourth Proportional to 461,864.36, 637,138.02 and 280,528.04

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Solution

The fourth proportional to 461,864.36, 637,138.02 and 280,528.04 is: 386,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,864.36 : 637,138.02 = 280,528.04 : x
  2. Step 2: Convert to fraction form
    461,864.36/637,138.02 = 280,528.04/x
  3. Step 3: Cross multiply
    461,864.36x = 637,138.02 × 280,528.04
  4. Step 4: Simplify right side
    461,864.36x = 178,735,079,960.08
  5. Step 5: Solve for x
    x = 178,735,079,960.08/461,864.36
  6. Step 6: Final answer
    x = 386,986.08

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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.