Home / 942,516.19-1,300,704.75-512,812.61

Finding the Fourth Proportional to 942,516.19, 1,300,704.75 and 512,812.61

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Solution

The fourth proportional to 942,516.19, 1,300,704.75 and 512,812.61 is: 707,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,516.19 : 1,300,704.75 = 512,812.61 : x
  2. Step 2: Convert to fraction form
    942,516.19/1,300,704.75 = 512,812.61/x
  3. Step 3: Cross multiply
    942,516.19x = 1,300,704.75 × 512,812.61
  4. Step 4: Simplify right side
    942,516.19x = 667,017,797,686.90
  5. Step 5: Solve for x
    x = 667,017,797,686.90/942,516.19
  6. Step 6: Final answer
    x = 707,699.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.