Home / 756,020.39-1,043,308.05-416,488.64

Finding the Fourth Proportional to 756,020.39, 1,043,308.05 and 416,488.64

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Solution

The fourth proportional to 756,020.39, 1,043,308.05 and 416,488.64 is: 574,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,020.39 : 1,043,308.05 = 416,488.64 : x
  2. Step 2: Convert to fraction form
    756,020.39/1,043,308.05 = 416,488.64/x
  3. Step 3: Cross multiply
    756,020.39x = 1,043,308.05 × 416,488.64
  4. Step 4: Simplify right side
    756,020.39x = 434,525,944,067.18
  5. Step 5: Solve for x
    x = 434,525,944,067.18/756,020.39
  6. Step 6: Final answer
    x = 574,754.27

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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.