Home / 696,431.15-1,044,941.98-380,519.00

Finding the Fourth Proportional to 696,431.15, 1,044,941.98 and 380,519.00

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Solution

The fourth proportional to 696,431.15, 1,044,941.98 and 380,519.00 is: 570,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,431.15 : 1,044,941.98 = 380,519.00 : x
  2. Step 2: Convert to fraction form
    696,431.15/1,044,941.98 = 380,519.00/x
  3. Step 3: Cross multiply
    696,431.15x = 1,044,941.98 × 380,519.00
  4. Step 4: Simplify right side
    696,431.15x = 397,620,278,948.68
  5. Step 5: Solve for x
    x = 397,620,278,948.68/696,431.15
  6. Step 6: Final answer
    x = 570,939.82

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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.