Finding the Fourth Proportional to 624,918.63, 861,742.74 and 534,573.66
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Solution
The fourth proportional to 624,918.63, 861,742.74 and 534,573.66 is: 737,159.93
Step by Step Solution
- Step 1: Write the proportion equation
624,918.63 : 861,742.74 = 534,573.66 : x - Step 2: Convert to fraction form
624,918.63/861,742.74 = 534,573.66/x - Step 3: Cross multiply
624,918.63x = 861,742.74 × 534,573.66 - Step 4: Simplify right side
624,918.63x = 460,664,970,500.23 - Step 5: Solve for x
x = 460,664,970,500.23/624,918.63 - Step 6: Final answer
x = 737,159.93
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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.