Finding the Fourth Proportional to 781,004.13, 1,171,531.70 and 268,663.99
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Solution
The fourth proportional to 781,004.13, 1,171,531.70 and 268,663.99 is: 403,004.76
Step by Step Solution
- Step 1: Write the proportion equation
781,004.13 : 1,171,531.70 = 268,663.99 : x - Step 2: Convert to fraction form
781,004.13/1,171,531.70 = 268,663.99/x - Step 3: Cross multiply
781,004.13x = 1,171,531.70 × 268,663.99 - Step 4: Simplify right side
781,004.13x = 314,748,381,376.68 - Step 5: Solve for x
x = 314,748,381,376.68/781,004.13 - Step 6: Final answer
x = 403,004.76
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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.