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Finding the Fourth Proportional to 468,511.72, 646,557.06 and 264,628.24

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Solution

The fourth proportional to 468,511.72, 646,557.06 and 264,628.24 is: 365,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,511.72 : 646,557.06 = 264,628.24 : x
  2. Step 2: Convert to fraction form
    468,511.72/646,557.06 = 264,628.24/x
  3. Step 3: Cross multiply
    468,511.72x = 646,557.06 × 264,628.24
  4. Step 4: Simplify right side
    468,511.72x = 171,097,256,847.37
  5. Step 5: Solve for x
    x = 171,097,256,847.37/468,511.72
  6. Step 6: Final answer
    x = 365,193.12

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1.5x scale

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.