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Finding the Fourth Proportional to 488,669.60, 733,004.40 and 404,688.80

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Solution

The fourth proportional to 488,669.60, 733,004.40 and 404,688.80 is: 607,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,669.60 : 733,004.40 = 404,688.80 : x
  2. Step 2: Convert to fraction form
    488,669.60/733,004.40 = 404,688.80/x
  3. Step 3: Cross multiply
    488,669.60x = 733,004.40 × 404,688.80
  4. Step 4: Simplify right side
    488,669.60x = 296,638,671,030.72
  5. Step 5: Solve for x
    x = 296,638,671,030.72/488,669.60
  6. Step 6: Final answer
    x = 607,033.20

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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.