Home / 851,483.04-1,174,918.68-488,922.72

Finding the Fourth Proportional to 851,483.04, 1,174,918.68 and 488,922.72

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Solution

The fourth proportional to 851,483.04, 1,174,918.68 and 488,922.72 is: 674,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,483.04 : 1,174,918.68 = 488,922.72 : x
  2. Step 2: Convert to fraction form
    851,483.04/1,174,918.68 = 488,922.72/x
  3. Step 3: Cross multiply
    851,483.04x = 1,174,918.68 × 488,922.72
  4. Step 4: Simplify right side
    851,483.04x = 574,444,436,804.41
  5. Step 5: Solve for x
    x = 574,444,436,804.41/851,483.04
  6. Step 6: Final answer
    x = 674,639.90

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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.