Home / 746,209.44-1,119,643.92-391,138.56

Finding the Fourth Proportional to 746,209.44, 1,119,643.92 and 391,138.56

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Solution

The fourth proportional to 746,209.44, 1,119,643.92 and 391,138.56 is: 586,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,209.44 : 1,119,643.92 = 391,138.56 : x
  2. Step 2: Convert to fraction form
    746,209.44/1,119,643.92 = 391,138.56/x
  3. Step 3: Cross multiply
    746,209.44x = 1,119,643.92 × 391,138.56
  4. Step 4: Simplify right side
    746,209.44x = 437,935,910,581.56
  5. Step 5: Solve for x
    x = 437,935,910,581.56/746,209.44
  6. Step 6: Final answer
    x = 586,880.69

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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.