Finding the Fourth Proportional to 972,672.18, 1,342,282.46 and 564,874.26
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Solution
The fourth proportional to 972,672.18, 1,342,282.46 and 564,874.26 is: 779,523.49
Step by Step Solution
- Step 1: Write the proportion equation
972,672.18 : 1,342,282.46 = 564,874.26 : x - Step 2: Convert to fraction form
972,672.18/1,342,282.46 = 564,874.26/x - Step 3: Cross multiply
972,672.18x = 1,342,282.46 × 564,874.26 - Step 4: Simplify right side
972,672.18x = 758,220,808,479.11 - Step 5: Solve for x
x = 758,220,808,479.11/972,672.18 - Step 6: Final answer
x = 779,523.49
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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.