Home / 842,533.68-1,162,412.54-479,700.86

Finding the Fourth Proportional to 842,533.68, 1,162,412.54 and 479,700.86

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Solution

The fourth proportional to 842,533.68, 1,162,412.54 and 479,700.86 is: 661,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,533.68 : 1,162,412.54 = 479,700.86 : x
  2. Step 2: Convert to fraction form
    842,533.68/1,162,412.54 = 479,700.86/x
  3. Step 3: Cross multiply
    842,533.68x = 1,162,412.54 × 479,700.86
  4. Step 4: Simplify right side
    842,533.68x = 557,610,295,112.78
  5. Step 5: Solve for x
    x = 557,610,295,112.78/842,533.68
  6. Step 6: Final answer
    x = 661,825.53

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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.