Home / 757,852.39-1,045,377.25-451,724.77

Finding the Fourth Proportional to 757,852.39, 1,045,377.25 and 451,724.77

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Solution

The fourth proportional to 757,852.39, 1,045,377.25 and 451,724.77 is: 623,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,852.39 : 1,045,377.25 = 451,724.77 : x
  2. Step 2: Convert to fraction form
    757,852.39/1,045,377.25 = 451,724.77/x
  3. Step 3: Cross multiply
    757,852.39x = 1,045,377.25 × 451,724.77
  4. Step 4: Simplify right side
    757,852.39x = 472,222,797,819.48
  5. Step 5: Solve for x
    x = 472,222,797,819.48/757,852.39
  6. Step 6: Final answer
    x = 623,106.56

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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.