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Finding the Fourth Proportional to 922,486.39, 1,384,129.18 and 495,524.01

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Solution

The fourth proportional to 922,486.39, 1,384,129.18 and 495,524.01 is: 743,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,486.39 : 1,384,129.18 = 495,524.01 : x
  2. Step 2: Convert to fraction form
    922,486.39/1,384,129.18 = 495,524.01/x
  3. Step 3: Cross multiply
    922,486.39x = 1,384,129.18 × 495,524.01
  4. Step 4: Simplify right side
    922,486.39x = 685,869,247,441.50
  5. Step 5: Solve for x
    x = 685,869,247,441.50/922,486.39
  6. Step 6: Final answer
    x = 743,500.67

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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.