Home / 880,375.34-1,320,388.04-430,903.10

Finding the Fourth Proportional to 880,375.34, 1,320,388.04 and 430,903.10

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Solution

The fourth proportional to 880,375.34, 1,320,388.04 and 430,903.10 is: 646,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,375.34 : 1,320,388.04 = 430,903.10 : x
  2. Step 2: Convert to fraction form
    880,375.34/1,320,388.04 = 430,903.10/x
  3. Step 3: Cross multiply
    880,375.34x = 1,320,388.04 × 430,903.10
  4. Step 4: Simplify right side
    880,375.34x = 568,959,299,638.92
  5. Step 5: Solve for x
    x = 568,959,299,638.92/880,375.34
  6. Step 6: Final answer
    x = 646,269.01

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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.