Finding the Fourth Proportional to 630,344.97, 869,840.64 and 358,374.51
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Solution
The fourth proportional to 630,344.97, 869,840.64 and 358,374.51 is: 494,536.69
Step by Step Solution
- Step 1: Write the proportion equation
630,344.97 : 869,840.64 = 358,374.51 : x - Step 2: Convert to fraction form
630,344.97/869,840.64 = 358,374.51/x - Step 3: Cross multiply
630,344.97x = 869,840.64 × 358,374.51 - Step 4: Simplify right side
630,344.97x = 311,728,713,138.09 - Step 5: Solve for x
x = 311,728,713,138.09/630,344.97 - Step 6: Final answer
x = 494,536.69
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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.