Home / 913,859.57-1,369,975.61-433,791.20

Finding the Fourth Proportional to 913,859.57, 1,369,975.61 and 433,791.20

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Solution

The fourth proportional to 913,859.57, 1,369,975.61 and 433,791.20 is: 650,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,859.57 : 1,369,975.61 = 433,791.20 : x
  2. Step 2: Convert to fraction form
    913,859.57/1,369,975.61 = 433,791.20/x
  3. Step 3: Cross multiply
    913,859.57x = 1,369,975.61 × 433,791.20
  4. Step 4: Simplify right side
    913,859.57x = 594,283,368,342.05
  5. Step 5: Solve for x
    x = 594,283,368,342.05/913,859.57
  6. Step 6: Final answer
    x = 650,300.53

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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.