Home / 928,864.80-1,393,297.20-456,472.80

Finding the Fourth Proportional to 928,864.80, 1,393,297.20 and 456,472.80

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Solution

The fourth proportional to 928,864.80, 1,393,297.20 and 456,472.80 is: 684,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,864.80 : 1,393,297.20 = 456,472.80 : x
  2. Step 2: Convert to fraction form
    928,864.80/1,393,297.20 = 456,472.80/x
  3. Step 3: Cross multiply
    928,864.80x = 1,393,297.20 × 456,472.80
  4. Step 4: Simplify right side
    928,864.80x = 636,002,274,116.16
  5. Step 5: Solve for x
    x = 636,002,274,116.16/928,864.80
  6. Step 6: Final answer
    x = 684,709.20

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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.