Home / 829,689.74-1,145,010.60-503,012.94

Finding the Fourth Proportional to 829,689.74, 1,145,010.60 and 503,012.94

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Solution

The fourth proportional to 829,689.74, 1,145,010.60 and 503,012.94 is: 694,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,689.74 : 1,145,010.60 = 503,012.94 : x
  2. Step 2: Convert to fraction form
    829,689.74/1,145,010.60 = 503,012.94/x
  3. Step 3: Cross multiply
    829,689.74x = 1,145,010.60 × 503,012.94
  4. Step 4: Simplify right side
    829,689.74x = 575,955,145,722.10
  5. Step 5: Solve for x
    x = 575,955,145,722.10/829,689.74
  6. Step 6: Final answer
    x = 694,181.35

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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.