Home / 855,345.37-1,180,249.58-519,508.69

Finding the Fourth Proportional to 855,345.37, 1,180,249.58 and 519,508.69

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Solution

The fourth proportional to 855,345.37, 1,180,249.58 and 519,508.69 is: 716,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,345.37 : 1,180,249.58 = 519,508.69 : x
  2. Step 2: Convert to fraction form
    855,345.37/1,180,249.58 = 519,508.69/x
  3. Step 3: Cross multiply
    855,345.37x = 1,180,249.58 × 519,508.69
  4. Step 4: Simplify right side
    855,345.37x = 613,149,911,527.00
  5. Step 5: Solve for x
    x = 613,149,911,527.00/855,345.37
  6. Step 6: Final answer
    x = 716,844.84

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Double scale
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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.