Finding the Fourth Proportional to 917,660.96, 1,266,574.68 and 509,902.98
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Solution
The fourth proportional to 917,660.96, 1,266,574.68 and 509,902.98 is: 703,778.66
Step by Step Solution
- Step 1: Write the proportion equation
917,660.96 : 1,266,574.68 = 509,902.98 : x - Step 2: Convert to fraction form
917,660.96/1,266,574.68 = 509,902.98/x - Step 3: Cross multiply
917,660.96x = 1,266,574.68 × 509,902.98 - Step 4: Simplify right side
917,660.96x = 645,830,203,724.55 - Step 5: Solve for x
x = 645,830,203,724.55/917,660.96 - Step 6: Final answer
x = 703,778.66
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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.