Home / 924,367.30-1,386,532.39-418,834.05

Finding the Fourth Proportional to 924,367.30, 1,386,532.39 and 418,834.05

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Solution

The fourth proportional to 924,367.30, 1,386,532.39 and 418,834.05 is: 628,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,367.30 : 1,386,532.39 = 418,834.05 : x
  2. Step 2: Convert to fraction form
    924,367.30/1,386,532.39 = 418,834.05/x
  3. Step 3: Cross multiply
    924,367.30x = 1,386,532.39 × 418,834.05
  4. Step 4: Simplify right side
    924,367.30x = 580,726,976,359.88
  5. Step 5: Solve for x
    x = 580,726,976,359.88/924,367.30
  6. Step 6: Final answer
    x = 628,242.67

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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.