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Finding the Fourth Proportional to 555,732.04, 766,628.06 and 351,438.90

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Solution

The fourth proportional to 555,732.04, 766,628.06 and 351,438.90 is: 484,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,732.04 : 766,628.06 = 351,438.90 : x
  2. Step 2: Convert to fraction form
    555,732.04/766,628.06 = 351,438.90/x
  3. Step 3: Cross multiply
    555,732.04x = 766,628.06 × 351,438.90
  4. Step 4: Simplify right side
    555,732.04x = 269,422,920,358.34
  5. Step 5: Solve for x
    x = 269,422,920,358.34/555,732.04
  6. Step 6: Final answer
    x = 484,807.25

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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.