Home / 696,429.65-1,044,939.72-380,517.50

Finding the Fourth Proportional to 696,429.65, 1,044,939.72 and 380,517.50

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Solution

The fourth proportional to 696,429.65, 1,044,939.72 and 380,517.50 is: 570,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,429.65 : 1,044,939.72 = 380,517.50 : x
  2. Step 2: Convert to fraction form
    696,429.65/1,044,939.72 = 380,517.50/x
  3. Step 3: Cross multiply
    696,429.65x = 1,044,939.72 × 380,517.50
  4. Step 4: Simplify right side
    696,429.65x = 397,617,853,944.39
  5. Step 5: Solve for x
    x = 397,617,853,944.39/696,429.65
  6. Step 6: Final answer
    x = 570,937.57

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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.