Home / 993,495.20-1,489,222.20-487,277.60

Finding the Fourth Proportional to 993,495.20, 1,489,222.20 and 487,277.60

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Solution

The fourth proportional to 993,495.20, 1,489,222.20 and 487,277.60 is: 730,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,495.20 : 1,489,222.20 = 487,277.60 : x
  2. Step 2: Convert to fraction form
    993,495.20/1,489,222.20 = 487,277.60/x
  3. Step 3: Cross multiply
    993,495.20x = 1,489,222.20 × 487,277.60
  4. Step 4: Simplify right side
    993,495.20x = 725,664,619,482.72
  5. Step 5: Solve for x
    x = 725,664,619,482.72/993,495.20
  6. Step 6: Final answer
    x = 730,415.83

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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.