Home / 899,202.48-1,240,884.64-491,295.52

Finding the Fourth Proportional to 899,202.48, 1,240,884.64 and 491,295.52

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Solution

The fourth proportional to 899,202.48, 1,240,884.64 and 491,295.52 is: 677,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,202.48 : 1,240,884.64 = 491,295.52 : x
  2. Step 2: Convert to fraction form
    899,202.48/1,240,884.64 = 491,295.52/x
  3. Step 3: Cross multiply
    899,202.48x = 1,240,884.64 × 491,295.52
  4. Step 4: Simplify right side
    899,202.48x = 609,641,064,468.81
  5. Step 5: Solve for x
    x = 609,641,064,468.81/899,202.48
  6. Step 6: Final answer
    x = 677,979.74

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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.