Finding the Fourth Proportional to 815,294.29, 1,125,209.94 and 493,006.70
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Solution
The fourth proportional to 815,294.29, 1,125,209.94 and 493,006.70 is: 680,412.03
Step by Step Solution
- Step 1: Write the proportion equation
815,294.29 : 1,125,209.94 = 493,006.70 : x - Step 2: Convert to fraction form
815,294.29/1,125,209.94 = 493,006.70/x - Step 3: Cross multiply
815,294.29x = 1,125,209.94 × 493,006.70 - Step 4: Simplify right side
815,294.29x = 554,736,039,326.60 - Step 5: Solve for x
x = 554,736,039,326.60/815,294.29 - Step 6: Final answer
x = 680,412.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.