Finding the Fourth Proportional to 551,423.70, 827,135.55 and 528,095.70
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Solution
The fourth proportional to 551,423.70, 827,135.55 and 528,095.70 is: 792,143.55
Step by Step Solution
- Step 1: Write the proportion equation
551,423.70 : 827,135.55 = 528,095.70 : x - Step 2: Convert to fraction form
551,423.70/827,135.55 = 528,095.70/x - Step 3: Cross multiply
551,423.70x = 827,135.55 × 528,095.70 - Step 4: Simplify right side
551,423.70x = 436,806,727,272.14 - Step 5: Solve for x
x = 436,806,727,272.14/551,423.70 - Step 6: Final answer
x = 792,143.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.