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Finding the Fourth Proportional to 637,265.67, 879,323.72 and 365,283.51

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Solution

The fourth proportional to 637,265.67, 879,323.72 and 365,283.51 is: 504,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,265.67 : 879,323.72 = 365,283.51 : x
  2. Step 2: Convert to fraction form
    637,265.67/879,323.72 = 365,283.51/x
  3. Step 3: Cross multiply
    637,265.67x = 879,323.72 × 365,283.51
  4. Step 4: Simplify right side
    637,265.67x = 321,202,453,041.44
  5. Step 5: Solve for x
    x = 321,202,453,041.44/637,265.67
  6. Step 6: Final answer
    x = 504,032.26

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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.