Home / 809,298.68-1,116,832.32-446,722.70

Finding the Fourth Proportional to 809,298.68, 1,116,832.32 and 446,722.70

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Solution

The fourth proportional to 809,298.68, 1,116,832.32 and 446,722.70 is: 616,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,298.68 : 1,116,832.32 = 446,722.70 : x
  2. Step 2: Convert to fraction form
    809,298.68/1,116,832.32 = 446,722.70/x
  3. Step 3: Cross multiply
    809,298.68x = 1,116,832.32 × 446,722.70
  4. Step 4: Simplify right side
    809,298.68x = 498,914,349,437.66
  5. Step 5: Solve for x
    x = 498,914,349,437.66/809,298.68
  6. Step 6: Final answer
    x = 616,477.40

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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.