Home / 642,094.04-886,099.40-351,732.35

Finding the Fourth Proportional to 642,094.04, 886,099.40 and 351,732.35

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Solution

The fourth proportional to 642,094.04, 886,099.40 and 351,732.35 is: 485,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,094.04 : 886,099.40 = 351,732.35 : x
  2. Step 2: Convert to fraction form
    642,094.04/886,099.40 = 351,732.35/x
  3. Step 3: Cross multiply
    642,094.04x = 886,099.40 × 351,732.35
  4. Step 4: Simplify right side
    642,094.04x = 311,669,824,295.59
  5. Step 5: Solve for x
    x = 311,669,824,295.59/642,094.04
  6. Step 6: Final answer
    x = 485,395.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.