Finding the Fourth Proportional to 917,244.80, 1,373,102.40 and 806,652.80
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Solution
The fourth proportional to 917,244.80, 1,373,102.40 and 806,652.80 is: 1,207,547.75
Step by Step Solution
- Step 1: Write the proportion equation
917,244.80 : 1,373,102.40 = 806,652.80 : x - Step 2: Convert to fraction form
917,244.80/1,373,102.40 = 806,652.80/x - Step 3: Cross multiply
917,244.80x = 1,373,102.40 × 806,652.80 - Step 4: Simplify right side
917,244.80x = 1,107,616,895,646.72 - Step 5: Solve for x
x = 1,107,616,895,646.72/917,244.80 - Step 6: Final answer
x = 1,207,547.75
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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.