Home / 539,731.88-744,815.78-298,009.24

Finding the Fourth Proportional to 539,731.88, 744,815.78 and 298,009.24

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Solution

The fourth proportional to 539,731.88, 744,815.78 and 298,009.24 is: 411,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,731.88 : 744,815.78 = 298,009.24 : x
  2. Step 2: Convert to fraction form
    539,731.88/744,815.78 = 298,009.24/x
  3. Step 3: Cross multiply
    539,731.88x = 744,815.78 × 298,009.24
  4. Step 4: Simplify right side
    539,731.88x = 221,961,984,537.81
  5. Step 5: Solve for x
    x = 221,961,984,537.81/539,731.88
  6. Step 6: Final answer
    x = 411,244.90

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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.