Home / 829,496.18-1,244,235.96-380,089.55

Finding the Fourth Proportional to 829,496.18, 1,244,235.96 and 380,089.55

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Solution

The fourth proportional to 829,496.18, 1,244,235.96 and 380,089.55 is: 570,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,496.18 : 1,244,235.96 = 380,089.55 : x
  2. Step 2: Convert to fraction form
    829,496.18/1,244,235.96 = 380,089.55/x
  3. Step 3: Cross multiply
    829,496.18x = 1,244,235.96 × 380,089.55
  4. Step 4: Simplify right side
    829,496.18x = 472,921,079,909.04
  5. Step 5: Solve for x
    x = 472,921,079,909.04/829,496.18
  6. Step 6: Final answer
    x = 570,130.51

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Double scale
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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.