Home / 987,230.40-1,480,845.60-488,529.60

Finding the Fourth Proportional to 987,230.40, 1,480,845.60 and 488,529.60

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Solution

The fourth proportional to 987,230.40, 1,480,845.60 and 488,529.60 is: 732,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,230.40 : 1,480,845.60 = 488,529.60 : x
  2. Step 2: Convert to fraction form
    987,230.40/1,480,845.60 = 488,529.60/x
  3. Step 3: Cross multiply
    987,230.40x = 1,480,845.60 × 488,529.60
  4. Step 4: Simplify right side
    987,230.40x = 723,436,908,629.76
  5. Step 5: Solve for x
    x = 723,436,908,629.76/987,230.40
  6. Step 6: Final answer
    x = 732,794.40

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1.5x scale

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.