Home / 801,699.98-1,106,345.72-439,146.41

Finding the Fourth Proportional to 801,699.98, 1,106,345.72 and 439,146.41

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Solution

The fourth proportional to 801,699.98, 1,106,345.72 and 439,146.41 is: 606,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,699.98 : 1,106,345.72 = 439,146.41 : x
  2. Step 2: Convert to fraction form
    801,699.98/1,106,345.72 = 439,146.41/x
  3. Step 3: Cross multiply
    801,699.98x = 1,106,345.72 × 439,146.41
  4. Step 4: Simplify right side
    801,699.98x = 485,847,746,723.00
  5. Step 5: Solve for x
    x = 485,847,746,723.00/801,699.98
  6. Step 6: Final answer
    x = 606,021.91

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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.