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Finding the Fourth Proportional to 554,944.32, 765,824.04 and 300,295.68

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Solution

The fourth proportional to 554,944.32, 765,824.04 and 300,295.68 is: 414,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,944.32 : 765,824.04 = 300,295.68 : x
  2. Step 2: Convert to fraction form
    554,944.32/765,824.04 = 300,295.68/x
  3. Step 3: Cross multiply
    554,944.32x = 765,824.04 × 300,295.68
  4. Step 4: Simplify right side
    554,944.32x = 229,973,650,852.15
  5. Step 5: Solve for x
    x = 229,973,650,852.15/554,944.32
  6. Step 6: Final answer
    x = 414,408.51

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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.