Home / 809,500.28-1,117,088.15-446,917.55

Finding the Fourth Proportional to 809,500.28, 1,117,088.15 and 446,917.55

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Solution

The fourth proportional to 809,500.28, 1,117,088.15 and 446,917.55 is: 616,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,500.28 : 1,117,088.15 = 446,917.55 : x
  2. Step 2: Convert to fraction form
    809,500.28/1,117,088.15 = 446,917.55/x
  3. Step 3: Cross multiply
    809,500.28x = 1,117,088.15 × 446,917.55
  4. Step 4: Simplify right side
    809,500.28x = 499,246,291,312.00
  5. Step 5: Solve for x
    x = 499,246,291,312.00/809,500.28
  6. Step 6: Final answer
    x = 616,733.94

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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.