Finding the Fourth Proportional to 808,369.61, 1,115,557.94 and 464,201.42
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Solution
The fourth proportional to 808,369.61, 1,115,557.94 and 464,201.42 is: 640,602.48
Step by Step Solution
- Step 1: Write the proportion equation
808,369.61 : 1,115,557.94 = 464,201.42 : x - Step 2: Convert to fraction form
808,369.61/1,115,557.94 = 464,201.42/x - Step 3: Cross multiply
808,369.61x = 1,115,557.94 × 464,201.42 - Step 4: Simplify right side
808,369.61x = 517,843,579,840.28 - Step 5: Solve for x
x = 517,843,579,840.28/808,369.61 - Step 6: Final answer
x = 640,602.48
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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.