Home / 997,513.20-1,496,464.20-428,893.20

Finding the Fourth Proportional to 997,513.20, 1,496,464.20 and 428,893.20

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Solution

The fourth proportional to 997,513.20, 1,496,464.20 and 428,893.20 is: 643,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,513.20 : 1,496,464.20 = 428,893.20 : x
  2. Step 2: Convert to fraction form
    997,513.20/1,496,464.20 = 428,893.20/x
  3. Step 3: Cross multiply
    997,513.20x = 1,496,464.20 × 428,893.20
  4. Step 4: Simplify right side
    997,513.20x = 641,823,319,423.44
  5. Step 5: Solve for x
    x = 641,823,319,423.44/997,513.20
  6. Step 6: Final answer
    x = 643,423.38

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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.