Home / 785,877.03-1,084,037.72-479,813.67

Finding the Fourth Proportional to 785,877.03, 1,084,037.72 and 479,813.67

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Solution

The fourth proportional to 785,877.03, 1,084,037.72 and 479,813.67 is: 661,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,877.03 : 1,084,037.72 = 479,813.67 : x
  2. Step 2: Convert to fraction form
    785,877.03/1,084,037.72 = 479,813.67/x
  3. Step 3: Cross multiply
    785,877.03x = 1,084,037.72 × 479,813.67
  4. Step 4: Simplify right side
    785,877.03x = 520,136,114,452.56
  5. Step 5: Solve for x
    x = 520,136,114,452.56/785,877.03
  6. Step 6: Final answer
    x = 661,854.33

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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.