Home / 810,949.92-1,119,065.70-448,352.61

Finding the Fourth Proportional to 810,949.92, 1,119,065.70 and 448,352.61

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Solution

The fourth proportional to 810,949.92, 1,119,065.70 and 448,352.61 is: 618,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,949.92 : 1,119,065.70 = 448,352.61 : x
  2. Step 2: Convert to fraction form
    810,949.92/1,119,065.70 = 448,352.61/x
  3. Step 3: Cross multiply
    810,949.92x = 1,119,065.70 × 448,352.61
  4. Step 4: Simplify right side
    810,949.92x = 501,736,027,356.48
  5. Step 5: Solve for x
    x = 501,736,027,356.48/810,949.92
  6. Step 6: Final answer
    x = 618,701.62

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1.5x scale

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.