Home / 539,660.48-744,039.20-442,506.40

Finding the Fourth Proportional to 539,660.48, 744,039.20 and 442,506.40

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Solution

The fourth proportional to 539,660.48, 744,039.20 and 442,506.40 is: 610,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,660.48 : 744,039.20 = 442,506.40 : x
  2. Step 2: Convert to fraction form
    539,660.48/744,039.20 = 442,506.40/x
  3. Step 3: Cross multiply
    539,660.48x = 744,039.20 × 442,506.40
  4. Step 4: Simplify right side
    539,660.48x = 329,242,107,850.88
  5. Step 5: Solve for x
    x = 329,242,107,850.88/539,660.48
  6. Step 6: Final answer
    x = 610,091.20

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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.