Home / 766,316.37-1,057,516.59-426,784.62

Finding the Fourth Proportional to 766,316.37, 1,057,516.59 and 426,784.62

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Solution

The fourth proportional to 766,316.37, 1,057,516.59 and 426,784.62 is: 588,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,316.37 : 1,057,516.59 = 426,784.62 : x
  2. Step 2: Convert to fraction form
    766,316.37/1,057,516.59 = 426,784.62/x
  3. Step 3: Cross multiply
    766,316.37x = 1,057,516.59 × 426,784.62
  4. Step 4: Simplify right side
    766,316.37x = 451,331,816,006.85
  5. Step 5: Solve for x
    x = 451,331,816,006.85/766,316.37
  6. Step 6: Final answer
    x = 588,962.78

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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.