Home / 738,181.80-1,108,584.90-538,727.40

Finding the Fourth Proportional to 738,181.80, 1,108,584.90 and 538,727.40

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Solution

The fourth proportional to 738,181.80, 1,108,584.90 and 538,727.40 is: 809,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,181.80 : 1,108,584.90 = 538,727.40 : x
  2. Step 2: Convert to fraction form
    738,181.80/1,108,584.90 = 538,727.40/x
  3. Step 3: Cross multiply
    738,181.80x = 1,108,584.90 × 538,727.40
  4. Step 4: Simplify right side
    738,181.80x = 597,225,060,856.26
  5. Step 5: Solve for x
    x = 597,225,060,856.26/738,181.80
  6. Step 6: Final answer
    x = 809,048.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.