Finding the Fourth Proportional to 814,368.94, 1,123,830.05 and 474,902.80
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Solution
The fourth proportional to 814,368.94, 1,123,830.05 and 474,902.80 is: 655,366.39
Step by Step Solution
- Step 1: Write the proportion equation
814,368.94 : 1,123,830.05 = 474,902.80 : x - Step 2: Convert to fraction form
814,368.94/1,123,830.05 = 474,902.80/x - Step 3: Cross multiply
814,368.94x = 1,123,830.05 × 474,902.80 - Step 4: Simplify right side
814,368.94x = 533,710,032,285.05 - Step 5: Solve for x
x = 533,710,032,285.05/814,368.94 - Step 6: Final answer
x = 655,366.39
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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.