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Finding the Fourth Proportional to 522,386.82, 784,367.55 and 298,000.62

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Solution

The fourth proportional to 522,386.82, 784,367.55 and 298,000.62 is: 447,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,386.82 : 784,367.55 = 298,000.62 : x
  2. Step 2: Convert to fraction form
    522,386.82/784,367.55 = 298,000.62/x
  3. Step 3: Cross multiply
    522,386.82x = 784,367.55 × 298,000.62
  4. Step 4: Simplify right side
    522,386.82x = 233,742,016,207.88
  5. Step 5: Solve for x
    x = 233,742,016,207.88/522,386.82
  6. Step 6: Final answer
    x = 447,450.06

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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.