Home / 923,579.36-1,385,016.02-443,670.42

Finding the Fourth Proportional to 923,579.36, 1,385,016.02 and 443,670.42

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Solution

The fourth proportional to 923,579.36, 1,385,016.02 and 443,670.42 is: 665,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,579.36 : 1,385,016.02 = 443,670.42 : x
  2. Step 2: Convert to fraction form
    923,579.36/1,385,016.02 = 443,670.42/x
  3. Step 3: Cross multiply
    923,579.36x = 1,385,016.02 × 443,670.42
  4. Step 4: Simplify right side
    923,579.36x = 614,490,639,300.13
  5. Step 5: Solve for x
    x = 614,490,639,300.13/923,579.36
  6. Step 6: Final answer
    x = 665,336.05

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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.