Home / 1,076,989.40-1,615,560.90-329,034.20

Finding the Fourth Proportional to 1,076,989.40, 1,615,560.90 and 329,034.20

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Solution

The fourth proportional to 1,076,989.40, 1,615,560.90 and 329,034.20 is: 493,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,989.40 : 1,615,560.90 = 329,034.20 : x
  2. Step 2: Convert to fraction form
    1,076,989.40/1,615,560.90 = 329,034.20/x
  3. Step 3: Cross multiply
    1,076,989.40x = 1,615,560.90 × 329,034.20
  4. Step 4: Simplify right side
    1,076,989.40x = 531,574,788,282.78
  5. Step 5: Solve for x
    x = 531,574,788,282.78/1,076,989.40
  6. Step 6: Final answer
    x = 493,574.76

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Double scale
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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.