Finding the Fourth Proportional to 629,652.36, 869,252.52 and 505,802.64
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Solution
The fourth proportional to 629,652.36, 869,252.52 and 505,802.64 is: 698,274.55
Step by Step Solution
- Step 1: Write the proportion equation
629,652.36 : 869,252.52 = 505,802.64 : x - Step 2: Convert to fraction form
629,652.36/869,252.52 = 505,802.64/x - Step 3: Cross multiply
629,652.36x = 869,252.52 × 505,802.64 - Step 4: Simplify right side
629,652.36x = 439,670,219,442.65 - Step 5: Solve for x
x = 439,670,219,442.65/629,652.36 - Step 6: Final answer
x = 698,274.55
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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.