Home / 887,627.10-1,330,784.55-488,718.30

Finding the Fourth Proportional to 887,627.10, 1,330,784.55 and 488,718.30

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Solution

The fourth proportional to 887,627.10, 1,330,784.55 and 488,718.30 is: 732,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,627.10 : 1,330,784.55 = 488,718.30 : x
  2. Step 2: Convert to fraction form
    887,627.10/1,330,784.55 = 488,718.30/x
  3. Step 3: Cross multiply
    887,627.10x = 1,330,784.55 × 488,718.30
  4. Step 4: Simplify right side
    887,627.10x = 650,378,762,942.27
  5. Step 5: Solve for x
    x = 650,378,762,942.27/887,627.10
  6. Step 6: Final answer
    x = 732,716.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.