Finding the Fourth Proportional to 648,479.08, 894,916.20 and 406,771.84
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Solution
The fourth proportional to 648,479.08, 894,916.20 and 406,771.84 is: 561,354.59
Step by Step Solution
- Step 1: Write the proportion equation
648,479.08 : 894,916.20 = 406,771.84 : x - Step 2: Convert to fraction form
648,479.08/894,916.20 = 406,771.84/x - Step 3: Cross multiply
648,479.08x = 894,916.20 × 406,771.84 - Step 4: Simplify right side
648,479.08x = 364,026,709,319.81 - Step 5: Solve for x
x = 364,026,709,319.81/648,479.08 - Step 6: Final answer
x = 561,354.59
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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.