Home / 801,899.10-1,106,620.68-439,335.80

Finding the Fourth Proportional to 801,899.10, 1,106,620.68 and 439,335.80

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Solution

The fourth proportional to 801,899.10, 1,106,620.68 and 439,335.80 is: 606,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,899.10 : 1,106,620.68 = 439,335.80 : x
  2. Step 2: Convert to fraction form
    801,899.10/1,106,620.68 = 439,335.80/x
  3. Step 3: Cross multiply
    801,899.10x = 1,106,620.68 × 439,335.80
  4. Step 4: Simplify right side
    801,899.10x = 486,178,081,744.34
  5. Step 5: Solve for x
    x = 486,178,081,744.34/801,899.10
  6. Step 6: Final answer
    x = 606,283.36

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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.