Finding the Fourth Proportional to 649,402.62, 896,097.93 and 358,974.95
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Solution
The fourth proportional to 649,402.62, 896,097.93 and 358,974.95 is: 495,342.48
Step by Step Solution
- Step 1: Write the proportion equation
649,402.62 : 896,097.93 = 358,974.95 : x - Step 2: Convert to fraction form
649,402.62/896,097.93 = 358,974.95/x - Step 3: Cross multiply
649,402.62x = 896,097.93 × 358,974.95 - Step 4: Simplify right side
649,402.62x = 321,676,705,136.36 - Step 5: Solve for x
x = 321,676,705,136.36/649,402.62 - Step 6: Final answer
x = 495,342.48
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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.