Home / 904,703.96-1,248,505.76-491,240.52

Finding the Fourth Proportional to 904,703.96, 1,248,505.76 and 491,240.52

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Solution

The fourth proportional to 904,703.96, 1,248,505.76 and 491,240.52 is: 677,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,703.96 : 1,248,505.76 = 491,240.52 : x
  2. Step 2: Convert to fraction form
    904,703.96/1,248,505.76 = 491,240.52/x
  3. Step 3: Cross multiply
    904,703.96x = 1,248,505.76 × 491,240.52
  4. Step 4: Simplify right side
    904,703.96x = 613,316,618,765.40
  5. Step 5: Solve for x
    x = 613,316,618,765.40/904,703.96
  6. Step 6: Final answer
    x = 677,919.68

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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.