Home / 571,935.07-789,271.35-317,286.28

Finding the Fourth Proportional to 571,935.07, 789,271.35 and 317,286.28

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Solution

The fourth proportional to 571,935.07, 789,271.35 and 317,286.28 is: 437,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,935.07 : 789,271.35 = 317,286.28 : x
  2. Step 2: Convert to fraction form
    571,935.07/789,271.35 = 317,286.28/x
  3. Step 3: Cross multiply
    571,935.07x = 789,271.35 × 317,286.28
  4. Step 4: Simplify right side
    571,935.07x = 250,424,970,552.08
  5. Step 5: Solve for x
    x = 250,424,970,552.08/571,935.07
  6. Step 6: Final answer
    x = 437,855.60

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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.