Home / 719,493.74-1,079,052.67-213,918.57

Finding the Fourth Proportional to 719,493.74, 1,079,052.67 and 213,918.57

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Solution

The fourth proportional to 719,493.74, 1,079,052.67 and 213,918.57 is: 320,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,493.74 : 1,079,052.67 = 213,918.57 : x
  2. Step 2: Convert to fraction form
    719,493.74/1,079,052.67 = 213,918.57/x
  3. Step 3: Cross multiply
    719,493.74x = 1,079,052.67 × 213,918.57
  4. Step 4: Simplify right side
    719,493.74x = 230,829,403,586.29
  5. Step 5: Solve for x
    x = 230,829,403,586.29/719,493.74
  6. Step 6: Final answer
    x = 320,821.98

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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.