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Finding the Fourth Proportional to 637,010.25, 879,110.52 and 365,123.45

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Solution

The fourth proportional to 637,010.25, 879,110.52 and 365,123.45 is: 503,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,010.25 : 879,110.52 = 365,123.45 : x
  2. Step 2: Convert to fraction form
    637,010.25/879,110.52 = 365,123.45/x
  3. Step 3: Cross multiply
    637,010.25x = 879,110.52 × 365,123.45
  4. Step 4: Simplify right side
    637,010.25x = 320,983,861,877.26
  5. Step 5: Solve for x
    x = 320,983,861,877.26/637,010.25
  6. Step 6: Final answer
    x = 503,891.20

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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.