Home / 654,333.68-981,500.64-205,054.40

Finding the Fourth Proportional to 654,333.68, 981,500.64 and 205,054.40

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Solution

The fourth proportional to 654,333.68, 981,500.64 and 205,054.40 is: 307,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,333.68 : 981,500.64 = 205,054.40 : x
  2. Step 2: Convert to fraction form
    654,333.68/981,500.64 = 205,054.40/x
  3. Step 3: Cross multiply
    654,333.68x = 981,500.64 × 205,054.40
  4. Step 4: Simplify right side
    654,333.68x = 201,261,024,834.82
  5. Step 5: Solve for x
    x = 201,261,024,834.82/654,333.68
  6. Step 6: Final answer
    x = 307,581.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.