Finding the Fourth Proportional to 750.65, 1,035.95 and 435.99
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Solution
The fourth proportional to 750.65, 1,035.95 and 435.99 is: 601.70
Step by Step Solution
- Step 1: Write the proportion equation
750.65 : 1,035.95 = 435.99 : x - Step 2: Convert to fraction form
750.65/1,035.95 = 435.99/x - Step 3: Cross multiply
750.65x = 1,035.95 × 435.99 - Step 4: Simplify right side
750.65x = 451,663.84 - Step 5: Solve for x
x = 451,663.84/750.65 - Step 6: Final answer
x = 601.70
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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.