Finding the Fourth Proportional to 770,374.56, 1,063,116.18 and 430,842
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Solution
The fourth proportional to 770,374.56, 1,063,116.18 and 430,842 is: 594,561.56
Step by Step Solution
- Step 1: Write the proportion equation
770,374.56 : 1,063,116.18 = 430,842 : x - Step 2: Convert to fraction form
770,374.56/1,063,116.18 = 430,842/x - Step 3: Cross multiply
770,374.56x = 1,063,116.18 × 430,842 - Step 4: Simplify right side
770,374.56x = 458,035,101,223.56 - Step 5: Solve for x
x = 458,035,101,223.56/770,374.56 - Step 6: Final answer
x = 594,561.56
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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.