Home / 738,602.20-1,108,778.10-419,008.60

Finding the Fourth Proportional to 738,602.20, 1,108,778.10 and 419,008.60

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Solution

The fourth proportional to 738,602.20, 1,108,778.10 and 419,008.60 is: 629,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,602.20 : 1,108,778.10 = 419,008.60 : x
  2. Step 2: Convert to fraction form
    738,602.20/1,108,778.10 = 419,008.60/x
  3. Step 3: Cross multiply
    738,602.20x = 1,108,778.10 × 419,008.60
  4. Step 4: Simplify right side
    738,602.20x = 464,587,559,391.66
  5. Step 5: Solve for x
    x = 464,587,559,391.66/738,602.20
  6. Step 6: Final answer
    x = 629,009.17

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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.