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Finding the Fourth Proportional to 896,652.94, 1,237,362.60 and 488,751.26

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Solution

The fourth proportional to 896,652.94, 1,237,362.60 and 488,751.26 is: 674,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,652.94 : 1,237,362.60 = 488,751.26 : x
  2. Step 2: Convert to fraction form
    896,652.94/1,237,362.60 = 488,751.26/x
  3. Step 3: Cross multiply
    896,652.94x = 1,237,362.60 × 488,751.26
  4. Step 4: Simplify right side
    896,652.94x = 604,762,529,826.88
  5. Step 5: Solve for x
    x = 604,762,529,826.88/896,652.94
  6. Step 6: Final answer
    x = 674,466.68

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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.