Finding the Fourth Proportional to 917,715.48, 1,267,507.08 and 611,287.08
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Solution
The fourth proportional to 917,715.48, 1,267,507.08 and 611,287.08 is: 844,282.04
Step by Step Solution
- Step 1: Write the proportion equation
917,715.48 : 1,267,507.08 = 611,287.08 : x - Step 2: Convert to fraction form
917,715.48/1,267,507.08 = 611,287.08/x - Step 3: Cross multiply
917,715.48x = 1,267,507.08 × 611,287.08 - Step 4: Simplify right side
917,715.48x = 774,810,701,812.53 - Step 5: Solve for x
x = 774,810,701,812.53/917,715.48 - Step 6: Final answer
x = 844,282.04
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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.