Finding the Fourth Proportional to 788,656.97, 1,088,397.81 and 457,580.75
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Solution
The fourth proportional to 788,656.97, 1,088,397.81 and 457,580.75 is: 631,491.13
Step by Step Solution
- Step 1: Write the proportion equation
788,656.97 : 1,088,397.81 = 457,580.75 : x - Step 2: Convert to fraction form
788,656.97/1,088,397.81 = 457,580.75/x - Step 3: Cross multiply
788,656.97x = 1,088,397.81 × 457,580.75 - Step 4: Simplify right side
788,656.97x = 498,029,880,756.17 - Step 5: Solve for x
x = 498,029,880,756.17/788,656.97 - Step 6: Final answer
x = 631,491.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.