Finding the Fourth Proportional to 719,317.44, 992,048.61 and 432,783.99
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Solution
The fourth proportional to 719,317.44, 992,048.61 and 432,783.99 is: 596,875.22
Step by Step Solution
- Step 1: Write the proportion equation
719,317.44 : 992,048.61 = 432,783.99 : x - Step 2: Convert to fraction form
719,317.44/992,048.61 = 432,783.99/x - Step 3: Cross multiply
719,317.44x = 992,048.61 × 432,783.99 - Step 4: Simplify right side
719,317.44x = 429,342,755,709.75 - Step 5: Solve for x
x = 429,342,755,709.75/719,317.44 - Step 6: Final answer
x = 596,875.22
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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.