Home / 713,888.87-1,071,160.31-309,204.85

Finding the Fourth Proportional to 713,888.87, 1,071,160.31 and 309,204.85

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Solution

The fourth proportional to 713,888.87, 1,071,160.31 and 309,204.85 is: 463,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,888.87 : 1,071,160.31 = 309,204.85 : x
  2. Step 2: Convert to fraction form
    713,888.87/1,071,160.31 = 309,204.85/x
  3. Step 3: Cross multiply
    713,888.87x = 1,071,160.31 × 309,204.85
  4. Step 4: Simplify right side
    713,888.87x = 331,207,965,226.04
  5. Step 5: Solve for x
    x = 331,207,965,226.04/713,888.87
  6. Step 6: Final answer
    x = 463,948.91

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1.5x scale

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.