Home / 890,989.60-1,336,495.56-589,314.84

Finding the Fourth Proportional to 890,989.60, 1,336,495.56 and 589,314.84

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Solution

The fourth proportional to 890,989.60, 1,336,495.56 and 589,314.84 is: 883,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,989.60 : 1,336,495.56 = 589,314.84 : x
  2. Step 2: Convert to fraction form
    890,989.60/1,336,495.56 = 589,314.84/x
  3. Step 3: Cross multiply
    890,989.60x = 1,336,495.56 × 589,314.84
  4. Step 4: Simplify right side
    890,989.60x = 787,616,667,102.11
  5. Step 5: Solve for x
    x = 787,616,667,102.11/890,989.60
  6. Step 6: Final answer
    x = 883,979.64

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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.