Home / 801,619.68-1,106,434.80-462,292.32

Finding the Fourth Proportional to 801,619.68, 1,106,434.80 and 462,292.32

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Solution

The fourth proportional to 801,619.68, 1,106,434.80 and 462,292.32 is: 638,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,619.68 : 1,106,434.80 = 462,292.32 : x
  2. Step 2: Convert to fraction form
    801,619.68/1,106,434.80 = 462,292.32/x
  3. Step 3: Cross multiply
    801,619.68x = 1,106,434.80 × 462,292.32
  4. Step 4: Simplify right side
    801,619.68x = 511,496,310,620.74
  5. Step 5: Solve for x
    x = 511,496,310,620.74/801,619.68
  6. Step 6: Final answer
    x = 638,078.53

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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.