Home / 758,127.54-1,045,777.42-489,855.54

Finding the Fourth Proportional to 758,127.54, 1,045,777.42 and 489,855.54

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Solution

The fourth proportional to 758,127.54, 1,045,777.42 and 489,855.54 is: 675,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,127.54 : 1,045,777.42 = 489,855.54 : x
  2. Step 2: Convert to fraction form
    758,127.54/1,045,777.42 = 489,855.54/x
  3. Step 3: Cross multiply
    758,127.54x = 1,045,777.42 × 489,855.54
  4. Step 4: Simplify right side
    758,127.54x = 512,279,862,793.91
  5. Step 5: Solve for x
    x = 512,279,862,793.91/758,127.54
  6. Step 6: Final answer
    x = 675,717.26

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1.5x scale

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.