Home / 989,100.60-1,483,869.60-456,493.20

Finding the Fourth Proportional to 989,100.60, 1,483,869.60 and 456,493.20

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Solution

The fourth proportional to 989,100.60, 1,483,869.60 and 456,493.20 is: 684,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,100.60 : 1,483,869.60 = 456,493.20 : x
  2. Step 2: Convert to fraction form
    989,100.60/1,483,869.60 = 456,493.20/x
  3. Step 3: Cross multiply
    989,100.60x = 1,483,869.60 × 456,493.20
  4. Step 4: Simplify right side
    989,100.60x = 677,376,382,086.72
  5. Step 5: Solve for x
    x = 677,376,382,086.72/989,100.60
  6. Step 6: Final answer
    x = 684,840.74

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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.