Home / 719,913.42-1,079,197.02-320,337.18

Finding the Fourth Proportional to 719,913.42, 1,079,197.02 and 320,337.18

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Solution

The fourth proportional to 719,913.42, 1,079,197.02 and 320,337.18 is: 480,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,913.42 : 1,079,197.02 = 320,337.18 : x
  2. Step 2: Convert to fraction form
    719,913.42/1,079,197.02 = 320,337.18/x
  3. Step 3: Cross multiply
    719,913.42x = 1,079,197.02 × 320,337.18
  4. Step 4: Simplify right side
    719,913.42x = 345,706,930,051.20
  5. Step 5: Solve for x
    x = 345,706,930,051.20/719,913.42
  6. Step 6: Final answer
    x = 480,206.26

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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.