Home / 669,403.02-1,004,136.81-220,113.93

Finding the Fourth Proportional to 669,403.02, 1,004,136.81 and 220,113.93

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Solution

The fourth proportional to 669,403.02, 1,004,136.81 and 220,113.93 is: 330,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,403.02 : 1,004,136.81 = 220,113.93 : x
  2. Step 2: Convert to fraction form
    669,403.02/1,004,136.81 = 220,113.93/x
  3. Step 3: Cross multiply
    669,403.02x = 1,004,136.81 × 220,113.93
  4. Step 4: Simplify right side
    669,403.02x = 221,024,499,506.76
  5. Step 5: Solve for x
    x = 221,024,499,506.76/669,403.02
  6. Step 6: Final answer
    x = 330,181.51

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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.