Finding the Fourth Proportional to 750.63, 1,035.99 and 543.99
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Solution
The fourth proportional to 750.63, 1,035.99 and 543.99 is: 750.79
Step by Step Solution
- Step 1: Write the proportion equation
750.63 : 1,035.99 = 543.99 : x - Step 2: Convert to fraction form
750.63/1,035.99 = 543.99/x - Step 3: Cross multiply
750.63x = 1,035.99 × 543.99 - Step 4: Simplify right side
750.63x = 563,560.30 - Step 5: Solve for x
x = 563,560.30/750.63 - Step 6: Final answer
x = 750.79
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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.