Home / 1,076,990.40-1,615,562.40-329,035.20

Finding the Fourth Proportional to 1,076,990.40, 1,615,562.40 and 329,035.20

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Solution

The fourth proportional to 1,076,990.40, 1,615,562.40 and 329,035.20 is: 493,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,990.40 : 1,615,562.40 = 329,035.20 : x
  2. Step 2: Convert to fraction form
    1,076,990.40/1,615,562.40 = 329,035.20/x
  3. Step 3: Cross multiply
    1,076,990.40x = 1,615,562.40 × 329,035.20
  4. Step 4: Simplify right side
    1,076,990.40x = 531,576,897,396.48
  5. Step 5: Solve for x
    x = 531,576,897,396.48/1,076,990.40
  6. Step 6: Final answer
    x = 493,576.26

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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.