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Finding the Fourth Proportional to 993,453.80, 1,490,402.90 and 362,367.62

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Solution

The fourth proportional to 993,453.80, 1,490,402.90 and 362,367.62 is: 543,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,453.80 : 1,490,402.90 = 362,367.62 : x
  2. Step 2: Convert to fraction form
    993,453.80/1,490,402.90 = 362,367.62/x
  3. Step 3: Cross multiply
    993,453.80x = 1,490,402.90 × 362,367.62
  4. Step 4: Simplify right side
    993,453.80x = 540,073,742,450.25
  5. Step 5: Solve for x
    x = 540,073,742,450.25/993,453.80
  6. Step 6: Final answer
    x = 543,632.47

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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.