Finding the Fourth Proportional to 692,428.70, 1,036,893.45 and 552,460.70
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Solution
The fourth proportional to 692,428.70, 1,036,893.45 and 552,460.70 is: 827,295.12
Step by Step Solution
- Step 1: Write the proportion equation
692,428.70 : 1,036,893.45 = 552,460.70 : x - Step 2: Convert to fraction form
692,428.70/1,036,893.45 = 552,460.70/x - Step 3: Cross multiply
692,428.70x = 1,036,893.45 × 552,460.70 - Step 4: Simplify right side
692,428.70x = 572,842,881,212.42 - Step 5: Solve for x
x = 572,842,881,212.42/692,428.70 - Step 6: Final answer
x = 827,295.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.