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Finding the Fourth Proportional to 608,724.54, 913,077.60 and 209,368.80

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Solution

The fourth proportional to 608,724.54, 913,077.60 and 209,368.80 is: 314,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,724.54 : 913,077.60 = 209,368.80 : x
  2. Step 2: Convert to fraction form
    608,724.54/913,077.60 = 209,368.80/x
  3. Step 3: Cross multiply
    608,724.54x = 913,077.60 × 209,368.80
  4. Step 4: Simplify right side
    608,724.54x = 191,169,961,418.88
  5. Step 5: Solve for x
    x = 191,169,961,418.88/608,724.54
  6. Step 6: Final answer
    x = 314,050.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.