Finding the Fourth Proportional to 610,827.68, 842,913.74 and 338,892.68
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Solution
The fourth proportional to 610,827.68, 842,913.74 and 338,892.68 is: 467,656.11
Step by Step Solution
- Step 1: Write the proportion equation
610,827.68 : 842,913.74 = 338,892.68 : x - Step 2: Convert to fraction form
610,827.68/842,913.74 = 338,892.68/x - Step 3: Cross multiply
610,827.68x = 842,913.74 × 338,892.68 - Step 4: Simplify right side
610,827.68x = 285,657,296,357.42 - Step 5: Solve for x
x = 285,657,296,357.42/610,827.68 - Step 6: Final answer
x = 467,656.11
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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.