Home / 446,149.38-616,897.17-438,938.49

Finding the Fourth Proportional to 446,149.38, 616,897.17 and 438,938.49

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Solution

The fourth proportional to 446,149.38, 616,897.17 and 438,938.49 is: 606,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,149.38 : 616,897.17 = 438,938.49 : x
  2. Step 2: Convert to fraction form
    446,149.38/616,897.17 = 438,938.49/x
  3. Step 3: Cross multiply
    446,149.38x = 616,897.17 × 438,938.49
  4. Step 4: Simplify right side
    446,149.38x = 270,779,912,285.07
  5. Step 5: Solve for x
    x = 270,779,912,285.07/446,149.38
  6. Step 6: Final answer
    x = 606,926.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.