Home / 654,935.10-903,772.53-368,442.96

Finding the Fourth Proportional to 654,935.10, 903,772.53 and 368,442.96

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Solution

The fourth proportional to 654,935.10, 903,772.53 and 368,442.96 is: 508,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,935.10 : 903,772.53 = 368,442.96 : x
  2. Step 2: Convert to fraction form
    654,935.10/903,772.53 = 368,442.96/x
  3. Step 3: Cross multiply
    654,935.10x = 903,772.53 × 368,442.96
  4. Step 4: Simplify right side
    654,935.10x = 332,988,626,119.89
  5. Step 5: Solve for x
    x = 332,988,626,119.89/654,935.10
  6. Step 6: Final answer
    x = 508,429.96

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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.