Home / 997,352.20-1,496,222.70-398,211.40

Finding the Fourth Proportional to 997,352.20, 1,496,222.70 and 398,211.40

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Solution

The fourth proportional to 997,352.20, 1,496,222.70 and 398,211.40 is: 597,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,352.20 : 1,496,222.70 = 398,211.40 : x
  2. Step 2: Convert to fraction form
    997,352.20/1,496,222.70 = 398,211.40/x
  3. Step 3: Cross multiply
    997,352.20x = 1,496,222.70 × 398,211.40
  4. Step 4: Simplify right side
    997,352.20x = 595,812,936,078.78
  5. Step 5: Solve for x
    x = 595,812,936,078.78/997,352.20
  6. Step 6: Final answer
    x = 597,394.72

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Double scale
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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.