Home / 785,640.24-1,177,546.32-448,916.94

Finding the Fourth Proportional to 785,640.24, 1,177,546.32 and 448,916.94

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Solution

The fourth proportional to 785,640.24, 1,177,546.32 and 448,916.94 is: 672,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,640.24 : 1,177,546.32 = 448,916.94 : x
  2. Step 2: Convert to fraction form
    785,640.24/1,177,546.32 = 448,916.94/x
  3. Step 3: Cross multiply
    785,640.24x = 1,177,546.32 × 448,916.94
  4. Step 4: Simplify right side
    785,640.24x = 528,620,490,682.66
  5. Step 5: Solve for x
    x = 528,620,490,682.66/785,640.24
  6. Step 6: Final answer
    x = 672,853.13

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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.