Finding the Fourth Proportional to 750,505.68, 1,035,677.64 and 428,209.92
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Solution
The fourth proportional to 750,505.68, 1,035,677.64 and 428,209.92 is: 590,918.17
Step by Step Solution
- Step 1: Write the proportion equation
750,505.68 : 1,035,677.64 = 428,209.92 : x - Step 2: Convert to fraction form
750,505.68/1,035,677.64 = 428,209.92/x - Step 3: Cross multiply
750,505.68x = 1,035,677.64 × 428,209.92 - Step 4: Simplify right side
750,505.68x = 443,487,439,370.19 - Step 5: Solve for x
x = 443,487,439,370.19/750,505.68 - Step 6: Final answer
x = 590,918.17
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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.