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Finding the Fourth Proportional to 658,038.82, 908,093.88 and 356,232.82

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Solution

The fourth proportional to 658,038.82, 908,093.88 and 356,232.82 is: 491,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,038.82 : 908,093.88 = 356,232.82 : x
  2. Step 2: Convert to fraction form
    658,038.82/908,093.88 = 356,232.82/x
  3. Step 3: Cross multiply
    658,038.82x = 908,093.88 × 356,232.82
  4. Step 4: Simplify right side
    658,038.82x = 323,492,843,697.14
  5. Step 5: Solve for x
    x = 323,492,843,697.14/658,038.82
  6. Step 6: Final answer
    x = 491,601.46

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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.