Home / 719,559.39-1,079,150.90-213,984.12

Finding the Fourth Proportional to 719,559.39, 1,079,150.90 and 213,984.12

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Solution

The fourth proportional to 719,559.39, 1,079,150.90 and 213,984.12 is: 320,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,559.39 : 1,079,150.90 = 213,984.12 : x
  2. Step 2: Convert to fraction form
    719,559.39/1,079,150.90 = 213,984.12/x
  3. Step 3: Cross multiply
    719,559.39x = 1,079,150.90 × 213,984.12
  4. Step 4: Simplify right side
    719,559.39x = 230,921,154,613.79
  5. Step 5: Solve for x
    x = 230,921,154,613.79/719,559.39
  6. Step 6: Final answer
    x = 320,920.22

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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.