Finding the Fourth Proportional to 832,999.05, 1,148,679.50 and 712,539.09
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Solution
The fourth proportional to 832,999.05, 1,148,679.50 and 712,539.09 is: 982,569.00
Step by Step Solution
- Step 1: Write the proportion equation
832,999.05 : 1,148,679.50 = 712,539.09 : x - Step 2: Convert to fraction form
832,999.05/1,148,679.50 = 712,539.09/x - Step 3: Cross multiply
832,999.05x = 1,148,679.50 × 712,539.09 - Step 4: Simplify right side
832,999.05x = 818,479,042,068.96 - Step 5: Solve for x
x = 818,479,042,068.96/832,999.05 - Step 6: Final answer
x = 982,569.00
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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.