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Finding the Fourth Proportional to 637,013.25, 879,114.66 and 365,126.45

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Solution

The fourth proportional to 637,013.25, 879,114.66 and 365,126.45 is: 503,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,013.25 : 879,114.66 = 365,126.45 : x
  2. Step 2: Convert to fraction form
    637,013.25/879,114.66 = 365,126.45/x
  3. Step 3: Cross multiply
    637,013.25x = 879,114.66 × 365,126.45
  4. Step 4: Simplify right side
    637,013.25x = 320,988,010,553.18
  5. Step 5: Solve for x
    x = 320,988,010,553.18/637,013.25
  6. Step 6: Final answer
    x = 503,895.34

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Double scale
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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.