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Finding the Fourth Proportional to 608,884.56, 840,674.16 and 379,533.60

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Solution

The fourth proportional to 608,884.56, 840,674.16 and 379,533.60 is: 524,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,884.56 : 840,674.16 = 379,533.60 : x
  2. Step 2: Convert to fraction form
    608,884.56/840,674.16 = 379,533.60/x
  3. Step 3: Cross multiply
    608,884.56x = 840,674.16 × 379,533.60
  4. Step 4: Simplify right side
    608,884.56x = 319,064,090,371.78
  5. Step 5: Solve for x
    x = 319,064,090,371.78/608,884.56
  6. Step 6: Final answer
    x = 524,014.09

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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.