Home / 637,115.34-879,021.27-361,427.93

Finding the Fourth Proportional to 637,115.34, 879,021.27 and 361,427.93

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Solution

The fourth proportional to 637,115.34, 879,021.27 and 361,427.93 is: 498,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,115.34 : 879,021.27 = 361,427.93 : x
  2. Step 2: Convert to fraction form
    637,115.34/879,021.27 = 361,427.93/x
  3. Step 3: Cross multiply
    637,115.34x = 879,021.27 × 361,427.93
  4. Step 4: Simplify right side
    637,115.34x = 317,702,833,646.97
  5. Step 5: Solve for x
    x = 317,702,833,646.97/637,115.34
  6. Step 6: Final answer
    x = 498,658.27

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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.