Home / 757,311.88-1,045,088.98-413,147.83

Finding the Fourth Proportional to 757,311.88, 1,045,088.98 and 413,147.83

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Solution

The fourth proportional to 757,311.88, 1,045,088.98 and 413,147.83 is: 570,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,311.88 : 1,045,088.98 = 413,147.83 : x
  2. Step 2: Convert to fraction form
    757,311.88/1,045,088.98 = 413,147.83/x
  3. Step 3: Cross multiply
    757,311.88x = 1,045,088.98 × 413,147.83
  4. Step 4: Simplify right side
    757,311.88x = 431,776,244,243.91
  5. Step 5: Solve for x
    x = 431,776,244,243.91/757,311.88
  6. Step 6: Final answer
    x = 570,143.23

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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.