Home / 756,190.20-1,134,397.35-243,683.58

Finding the Fourth Proportional to 756,190.20, 1,134,397.35 and 243,683.58

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Solution

The fourth proportional to 756,190.20, 1,134,397.35 and 243,683.58 is: 365,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,190.20 : 1,134,397.35 = 243,683.58 : x
  2. Step 2: Convert to fraction form
    756,190.20/1,134,397.35 = 243,683.58/x
  3. Step 3: Cross multiply
    756,190.20x = 1,134,397.35 × 243,683.58
  4. Step 4: Simplify right side
    756,190.20x = 276,434,007,390.51
  5. Step 5: Solve for x
    x = 276,434,007,390.51/756,190.20
  6. Step 6: Final answer
    x = 365,561.48

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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.