Finding the Fourth Proportional to 885,951.80, 1,330,239.90 and 686,497.40
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Solution
The fourth proportional to 885,951.80, 1,330,239.90 and 686,497.40 is: 1,030,762.88
Step by Step Solution
- Step 1: Write the proportion equation
885,951.80 : 1,330,239.90 = 686,497.40 : x - Step 2: Convert to fraction form
885,951.80/1,330,239.90 = 686,497.40/x - Step 3: Cross multiply
885,951.80x = 1,330,239.90 × 686,497.40 - Step 4: Simplify right side
885,951.80x = 913,206,232,726.26 - Step 5: Solve for x
x = 913,206,232,726.26/885,951.80 - Step 6: Final answer
x = 1,030,762.88
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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.