Home / 654,681.41-903,356.27-368,146.14

Finding the Fourth Proportional to 654,681.41, 903,356.27 and 368,146.14

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Solution

The fourth proportional to 654,681.41, 903,356.27 and 368,146.14 is: 507,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,681.41 : 903,356.27 = 368,146.14 : x
  2. Step 2: Convert to fraction form
    654,681.41/903,356.27 = 368,146.14/x
  3. Step 3: Cross multiply
    654,681.41x = 903,356.27 × 368,146.14
  4. Step 4: Simplify right side
    654,681.41x = 332,567,123,845.30
  5. Step 5: Solve for x
    x = 332,567,123,845.30/654,681.41
  6. Step 6: Final answer
    x = 507,983.15

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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.