Home / 630,294-945,449.24-209,569.88

Finding the Fourth Proportional to 630,294, 945,449.24 and 209,569.88

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Solution

The fourth proportional to 630,294, 945,449.24 and 209,569.88 is: 314,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,294 : 945,449.24 = 209,569.88 : x
  2. Step 2: Convert to fraction form
    630,294/945,449.24 = 209,569.88/x
  3. Step 3: Cross multiply
    630,294x = 945,449.24 × 209,569.88
  4. Step 4: Simplify right side
    630,294x = 198,137,683,772.89
  5. Step 5: Solve for x
    x = 198,137,683,772.89/630,294
  6. Step 6: Final answer
    x = 314,357.56

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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.