Home / 875,354.50-1,313,031.75-210,506.50

Finding the Fourth Proportional to 875,354.50, 1,313,031.75 and 210,506.50

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Solution

The fourth proportional to 875,354.50, 1,313,031.75 and 210,506.50 is: 315,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,354.50 : 1,313,031.75 = 210,506.50 : x
  2. Step 2: Convert to fraction form
    875,354.50/1,313,031.75 = 210,506.50/x
  3. Step 3: Cross multiply
    875,354.50x = 1,313,031.75 × 210,506.50
  4. Step 4: Simplify right side
    875,354.50x = 276,401,718,081.38
  5. Step 5: Solve for x
    x = 276,401,718,081.38/875,354.50
  6. Step 6: Final answer
    x = 315,759.75

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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.