Finding the Fourth Proportional to 727,987.36, 1,092,068.52 and 688,174.24
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Solution
The fourth proportional to 727,987.36, 1,092,068.52 and 688,174.24 is: 1,032,344.06
Step by Step Solution
- Step 1: Write the proportion equation
727,987.36 : 1,092,068.52 = 688,174.24 : x - Step 2: Convert to fraction form
727,987.36/1,092,068.52 = 688,174.24/x - Step 3: Cross multiply
727,987.36x = 1,092,068.52 × 688,174.24 - Step 4: Simplify right side
727,987.36x = 751,533,423,778.93 - Step 5: Solve for x
x = 751,533,423,778.93/727,987.36 - Step 6: Final answer
x = 1,032,344.06
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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.