Home / 829,651.30-1,145,027.98-467,145.80

Finding the Fourth Proportional to 829,651.30, 1,145,027.98 and 467,145.80

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Solution

The fourth proportional to 829,651.30, 1,145,027.98 and 467,145.80 is: 644,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,651.30 : 1,145,027.98 = 467,145.80 : x
  2. Step 2: Convert to fraction form
    829,651.30/1,145,027.98 = 467,145.80/x
  3. Step 3: Cross multiply
    829,651.30x = 1,145,027.98 × 467,145.80
  4. Step 4: Simplify right side
    829,651.30x = 534,895,006,541.19
  5. Step 5: Solve for x
    x = 534,895,006,541.19/829,651.30
  6. Step 6: Final answer
    x = 644,722.68

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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.