Home / 745,343.16-1,117,779.40-239,791.52

Finding the Fourth Proportional to 745,343.16, 1,117,779.40 and 239,791.52

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Solution

The fourth proportional to 745,343.16, 1,117,779.40 and 239,791.52 is: 359,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,343.16 : 1,117,779.40 = 239,791.52 : x
  2. Step 2: Convert to fraction form
    745,343.16/1,117,779.40 = 239,791.52/x
  3. Step 3: Cross multiply
    745,343.16x = 1,117,779.40 × 239,791.52
  4. Step 4: Simplify right side
    745,343.16x = 268,034,021,350.69
  5. Step 5: Solve for x
    x = 268,034,021,350.69/745,343.16
  6. Step 6: Final answer
    x = 359,611.57

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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.