Home / 571,838.46-789,231.72-317,271.66

Finding the Fourth Proportional to 571,838.46, 789,231.72 and 317,271.66

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Solution

The fourth proportional to 571,838.46, 789,231.72 and 317,271.66 is: 437,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,838.46 : 789,231.72 = 317,271.66 : x
  2. Step 2: Convert to fraction form
    571,838.46/789,231.72 = 317,271.66/x
  3. Step 3: Cross multiply
    571,838.46x = 789,231.72 × 317,271.66
  4. Step 4: Simplify right side
    571,838.46x = 250,400,857,929.06
  5. Step 5: Solve for x
    x = 250,400,857,929.06/571,838.46
  6. Step 6: Final answer
    x = 437,887.40

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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.