Finding the Fourth Proportional to 917,792.64, 1,266,546.24 and 515,376
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Solution
The fourth proportional to 917,792.64, 1,266,546.24 and 515,376 is: 711,214.61
Step by Step Solution
- Step 1: Write the proportion equation
917,792.64 : 1,266,546.24 = 515,376 : x - Step 2: Convert to fraction form
917,792.64/1,266,546.24 = 515,376/x - Step 3: Cross multiply
917,792.64x = 1,266,546.24 × 515,376 - Step 4: Simplify right side
917,792.64x = 652,747,534,986.24 - Step 5: Solve for x
x = 652,747,534,986.24/917,792.64 - Step 6: Final answer
x = 711,214.61
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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.