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Finding the Fourth Proportional to 612,391.54, 845,103.60 and 336,767.16

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Solution

The fourth proportional to 612,391.54, 845,103.60 and 336,767.16 is: 464,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,391.54 : 845,103.60 = 336,767.16 : x
  2. Step 2: Convert to fraction form
    612,391.54/845,103.60 = 336,767.16/x
  3. Step 3: Cross multiply
    612,391.54x = 845,103.60 × 336,767.16
  4. Step 4: Simplify right side
    612,391.54x = 284,603,133,368.42
  5. Step 5: Solve for x
    x = 284,603,133,368.42/612,391.54
  6. Step 6: Final answer
    x = 464,740.48

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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.