Finding the Fourth Proportional to 644,670.18, 888,720.93 and 453,088.98
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Solution
The fourth proportional to 644,670.18, 888,720.93 and 453,088.98 is: 624,613.44
Step by Step Solution
- Step 1: Write the proportion equation
644,670.18 : 888,720.93 = 453,088.98 : x - Step 2: Convert to fraction form
644,670.18/888,720.93 = 453,088.98/x - Step 3: Cross multiply
644,670.18x = 888,720.93 × 453,088.98 - Step 4: Simplify right side
644,670.18x = 402,669,659,678.35 - Step 5: Solve for x
x = 402,669,659,678.35/644,670.18 - Step 6: Final answer
x = 624,613.44
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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.