Home / 997,514.70-1,496,466.45-428,894.70

Finding the Fourth Proportional to 997,514.70, 1,496,466.45 and 428,894.70

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Solution

The fourth proportional to 997,514.70, 1,496,466.45 and 428,894.70 is: 643,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,514.70 : 1,496,466.45 = 428,894.70 : x
  2. Step 2: Convert to fraction form
    997,514.70/1,496,466.45 = 428,894.70/x
  3. Step 3: Cross multiply
    997,514.70x = 1,496,466.45 × 428,894.70
  4. Step 4: Simplify right side
    997,514.70x = 641,826,529,132.82
  5. Step 5: Solve for x
    x = 641,826,529,132.82/997,514.70
  6. Step 6: Final answer
    x = 643,425.63

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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.