Home / 829,689.24-1,145,009.90-503,012.44

Finding the Fourth Proportional to 829,689.24, 1,145,009.90 and 503,012.44

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Solution

The fourth proportional to 829,689.24, 1,145,009.90 and 503,012.44 is: 694,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,689.24 : 1,145,009.90 = 503,012.44 : x
  2. Step 2: Convert to fraction form
    829,689.24/1,145,009.90 = 503,012.44/x
  3. Step 3: Cross multiply
    829,689.24x = 1,145,009.90 × 503,012.44
  4. Step 4: Simplify right side
    829,689.24x = 575,954,222,018.16
  5. Step 5: Solve for x
    x = 575,954,222,018.16/829,689.24
  6. Step 6: Final answer
    x = 694,180.66

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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.