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Finding the Fourth Proportional to 887,259.60, 1,330,500.60 and 354,603.60

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Solution

The fourth proportional to 887,259.60, 1,330,500.60 and 354,603.60 is: 531,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,259.60 : 1,330,500.60 = 354,603.60 : x
  2. Step 2: Convert to fraction form
    887,259.60/1,330,500.60 = 354,603.60/x
  3. Step 3: Cross multiply
    887,259.60x = 1,330,500.60 × 354,603.60
  4. Step 4: Simplify right side
    887,259.60x = 471,800,302,562.16
  5. Step 5: Solve for x
    x = 471,800,302,562.16/887,259.60
  6. Step 6: Final answer
    x = 531,750.01

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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.