Finding the Fourth Proportional to 727,988.36, 1,092,070.02 and 688,175.24
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Solution
The fourth proportional to 727,988.36, 1,092,070.02 and 688,175.24 is: 1,032,345.56
Step by Step Solution
- Step 1: Write the proportion equation
727,988.36 : 1,092,070.02 = 688,175.24 : x - Step 2: Convert to fraction form
727,988.36/1,092,070.02 = 688,175.24/x - Step 3: Cross multiply
727,988.36x = 1,092,070.02 × 688,175.24 - Step 4: Simplify right side
727,988.36x = 751,535,548,110.31 - Step 5: Solve for x
x = 751,535,548,110.31/727,988.36 - Step 6: Final answer
x = 1,032,345.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.