Home / 740,178.40-1,108,518.66-361,358.56

Finding the Fourth Proportional to 740,178.40, 1,108,518.66 and 361,358.56

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Solution

The fourth proportional to 740,178.40, 1,108,518.66 and 361,358.56 is: 541,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,178.40 : 1,108,518.66 = 361,358.56 : x
  2. Step 2: Convert to fraction form
    740,178.40/1,108,518.66 = 361,358.56/x
  3. Step 3: Cross multiply
    740,178.40x = 1,108,518.66 × 361,358.56
  4. Step 4: Simplify right side
    740,178.40x = 400,572,706,710.73
  5. Step 5: Solve for x
    x = 400,572,706,710.73/740,178.40
  6. Step 6: Final answer
    x = 541,184.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.