Home / 654,968.16-903,807.72-368,433.10

Finding the Fourth Proportional to 654,968.16, 903,807.72 and 368,433.10

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Solution

The fourth proportional to 654,968.16, 903,807.72 and 368,433.10 is: 508,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,968.16 : 903,807.72 = 368,433.10 : x
  2. Step 2: Convert to fraction form
    654,968.16/903,807.72 = 368,433.10/x
  3. Step 3: Cross multiply
    654,968.16x = 903,807.72 × 368,433.10
  4. Step 4: Simplify right side
    654,968.16x = 332,992,680,083.53
  5. Step 5: Solve for x
    x = 332,992,680,083.53/654,968.16
  6. Step 6: Final answer
    x = 508,410.49

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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.