Home / 555,240.05-766,230.32-300,591.17

Finding the Fourth Proportional to 555,240.05, 766,230.32 and 300,591.17

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Solution

The fourth proportional to 555,240.05, 766,230.32 and 300,591.17 is: 414,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,240.05 : 766,230.32 = 300,591.17 : x
  2. Step 2: Convert to fraction form
    555,240.05/766,230.32 = 300,591.17/x
  3. Step 3: Cross multiply
    555,240.05x = 766,230.32 × 300,591.17
  4. Step 4: Simplify right side
    555,240.05x = 230,322,066,875.32
  5. Step 5: Solve for x
    x = 230,322,066,875.32/555,240.05
  6. Step 6: Final answer
    x = 414,815.30

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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.