Home / 801,900.10-1,106,622.06-439,336.80

Finding the Fourth Proportional to 801,900.10, 1,106,622.06 and 439,336.80

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Solution

The fourth proportional to 801,900.10, 1,106,622.06 and 439,336.80 is: 606,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,900.10 : 1,106,622.06 = 439,336.80 : x
  2. Step 2: Convert to fraction form
    801,900.10/1,106,622.06 = 439,336.80/x
  3. Step 3: Cross multiply
    801,900.10x = 1,106,622.06 × 439,336.80
  4. Step 4: Simplify right side
    801,900.10x = 486,179,794,649.81
  5. Step 5: Solve for x
    x = 486,179,794,649.81/801,900.10
  6. Step 6: Final answer
    x = 606,284.74

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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.