Home / 642,954.02-964,483.64-322,941.35

Finding the Fourth Proportional to 642,954.02, 964,483.64 and 322,941.35

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Solution

The fourth proportional to 642,954.02, 964,483.64 and 322,941.35 is: 484,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,954.02 : 964,483.64 = 322,941.35 : x
  2. Step 2: Convert to fraction form
    642,954.02/964,483.64 = 322,941.35/x
  3. Step 3: Cross multiply
    642,954.02x = 964,483.64 × 322,941.35
  4. Step 4: Simplify right side
    642,954.02x = 311,471,642,317.39
  5. Step 5: Solve for x
    x = 311,471,642,317.39/642,954.02
  6. Step 6: Final answer
    x = 484,438.44

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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.