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Finding the Fourth Proportional to 637,044.48, 879,157.68 and 365,157.60

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Solution

The fourth proportional to 637,044.48, 879,157.68 and 365,157.60 is: 503,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,044.48 : 879,157.68 = 365,157.60 : x
  2. Step 2: Convert to fraction form
    637,044.48/879,157.68 = 365,157.60/x
  3. Step 3: Cross multiply
    637,044.48x = 879,157.68 × 365,157.60
  4. Step 4: Simplify right side
    637,044.48x = 321,031,108,450.37
  5. Step 5: Solve for x
    x = 321,031,108,450.37/637,044.48
  6. Step 6: Final answer
    x = 503,938.29

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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.