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Finding the Fourth Proportional to 474,119.04, 653,976 and 304,083.84

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Solution

The fourth proportional to 474,119.04, 653,976 and 304,083.84 is: 419,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,119.04 : 653,976 = 304,083.84 : x
  2. Step 2: Convert to fraction form
    474,119.04/653,976 = 304,083.84/x
  3. Step 3: Cross multiply
    474,119.04x = 653,976 × 304,083.84
  4. Step 4: Simplify right side
    474,119.04x = 198,863,533,347.84
  5. Step 5: Solve for x
    x = 198,863,533,347.84/474,119.04
  6. Step 6: Final answer
    x = 419,437.98

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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.