Home / 801,949.49-1,106,690.27-439,387.07

Finding the Fourth Proportional to 801,949.49, 1,106,690.27 and 439,387.07

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Solution

The fourth proportional to 801,949.49, 1,106,690.27 and 439,387.07 is: 606,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,949.49 : 1,106,690.27 = 439,387.07 : x
  2. Step 2: Convert to fraction form
    801,949.49/1,106,690.27 = 439,387.07/x
  3. Step 3: Cross multiply
    801,949.49x = 1,106,690.27 × 439,387.07
  4. Step 4: Simplify right side
    801,949.49x = 486,265,395,702.60
  5. Step 5: Solve for x
    x = 486,265,395,702.60/801,949.49
  6. Step 6: Final answer
    x = 606,354.15

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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.