Finding the Fourth Proportional to 1,157,657.81, 1,735,813.49 and 438,055.07
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Solution
The fourth proportional to 1,157,657.81, 1,735,813.49 and 438,055.07 is: 656,827.85
Step by Step Solution
- Step 1: Write the proportion equation
1,157,657.81 : 1,735,813.49 = 438,055.07 : x - Step 2: Convert to fraction form
1,157,657.81/1,735,813.49 = 438,055.07/x - Step 3: Cross multiply
1,157,657.81x = 1,735,813.49 × 438,055.07 - Step 4: Simplify right side
1,157,657.81x = 760,381,888,999.55 - Step 5: Solve for x
x = 760,381,888,999.55/1,157,657.81 - Step 6: Final answer
x = 656,827.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.