Finding the Fourth Proportional to 939.04, 1,295.99 and 545.99
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Solution
The fourth proportional to 939.04, 1,295.99 and 545.99 is: 753.53
Step by Step Solution
- Step 1: Write the proportion equation
939.04 : 1,295.99 = 545.99 : x - Step 2: Convert to fraction form
939.04/1,295.99 = 545.99/x - Step 3: Cross multiply
939.04x = 1,295.99 × 545.99 - Step 4: Simplify right side
939.04x = 707,591.10 - Step 5: Solve for x
x = 707,591.10/939.04 - Step 6: Final answer
x = 753.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.