Home / 696,429.53-1,044,939.54-380,517.38

Finding the Fourth Proportional to 696,429.53, 1,044,939.54 and 380,517.38

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Solution

The fourth proportional to 696,429.53, 1,044,939.54 and 380,517.38 is: 570,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,429.53 : 1,044,939.54 = 380,517.38 : x
  2. Step 2: Convert to fraction form
    696,429.53/1,044,939.54 = 380,517.38/x
  3. Step 3: Cross multiply
    696,429.53x = 1,044,939.54 × 380,517.38
  4. Step 4: Simplify right side
    696,429.53x = 397,617,656,019.21
  5. Step 5: Solve for x
    x = 397,617,656,019.21/696,429.53
  6. Step 6: Final answer
    x = 570,937.39

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1.5x scale

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.