Home / 722,685.12-1,083,853.44-301,732.80

Finding the Fourth Proportional to 722,685.12, 1,083,853.44 and 301,732.80

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Solution

The fourth proportional to 722,685.12, 1,083,853.44 and 301,732.80 is: 452,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,685.12 : 1,083,853.44 = 301,732.80 : x
  2. Step 2: Convert to fraction form
    722,685.12/1,083,853.44 = 301,732.80/x
  3. Step 3: Cross multiply
    722,685.12x = 1,083,853.44 × 301,732.80
  4. Step 4: Simplify right side
    722,685.12x = 327,034,133,240.83
  5. Step 5: Solve for x
    x = 327,034,133,240.83/722,685.12
  6. Step 6: Final answer
    x = 452,526.45

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1.5x scale

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.