Finding the Fourth Proportional to 779,102.08, 1,169,178.00 and 305,731.60
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Solution
The fourth proportional to 779,102.08, 1,169,178.00 and 305,731.60 is: 458,803.37
Step by Step Solution
- Step 1: Write the proportion equation
779,102.08 : 1,169,178.00 = 305,731.60 : x - Step 2: Convert to fraction form
779,102.08/1,169,178.00 = 305,731.60/x - Step 3: Cross multiply
779,102.08x = 1,169,178.00 × 305,731.60 - Step 4: Simplify right side
779,102.08x = 357,454,656,555.36 - Step 5: Solve for x
x = 357,454,656,555.36/779,102.08 - Step 6: Final answer
x = 458,803.37
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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.