Home / 731,990.07-1,097,860.53-199,386.54

Finding the Fourth Proportional to 731,990.07, 1,097,860.53 and 199,386.54

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Solution

The fourth proportional to 731,990.07, 1,097,860.53 and 199,386.54 is: 299,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,990.07 : 1,097,860.53 = 199,386.54 : x
  2. Step 2: Convert to fraction form
    731,990.07/1,097,860.53 = 199,386.54/x
  3. Step 3: Cross multiply
    731,990.07x = 1,097,860.53 × 199,386.54
  4. Step 4: Simplify right side
    731,990.07x = 218,898,612,479.27
  5. Step 5: Solve for x
    x = 218,898,612,479.27/731,990.07
  6. Step 6: Final answer
    x = 299,045.88

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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.