Home / 929,864.70-1,393,634.70-396,763.20

Finding the Fourth Proportional to 929,864.70, 1,393,634.70 and 396,763.20

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Solution

The fourth proportional to 929,864.70, 1,393,634.70 and 396,763.20 is: 594,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,864.70 : 1,393,634.70 = 396,763.20 : x
  2. Step 2: Convert to fraction form
    929,864.70/1,393,634.70 = 396,763.20/x
  3. Step 3: Cross multiply
    929,864.70x = 1,393,634.70 × 396,763.20
  4. Step 4: Simplify right side
    929,864.70x = 552,942,963,203.04
  5. Step 5: Solve for x
    x = 552,942,963,203.04/929,864.70
  6. Step 6: Final answer
    x = 594,648.84

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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.