Home / 758,727.57-1,047,532.20-486,912.63

Finding the Fourth Proportional to 758,727.57, 1,047,532.20 and 486,912.63

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Solution

The fourth proportional to 758,727.57, 1,047,532.20 and 486,912.63 is: 672,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,727.57 : 1,047,532.20 = 486,912.63 : x
  2. Step 2: Convert to fraction form
    758,727.57/1,047,532.20 = 486,912.63/x
  3. Step 3: Cross multiply
    758,727.57x = 1,047,532.20 × 486,912.63
  4. Step 4: Simplify right side
    758,727.57x = 510,056,658,511.69
  5. Step 5: Solve for x
    x = 510,056,658,511.69/758,727.57
  6. Step 6: Final answer
    x = 672,252.70

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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.