Finding the Fourth Proportional to 746.74, 1,119.42 and 472
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Solution
The fourth proportional to 746.74, 1,119.42 and 472 is: 707.56
Step by Step Solution
- Step 1: Write the proportion equation
746.74 : 1,119.42 = 472 : x - Step 2: Convert to fraction form
746.74/1,119.42 = 472/x - Step 3: Cross multiply
746.74x = 1,119.42 × 472 - Step 4: Simplify right side
746.74x = 528,366.24 - Step 5: Solve for x
x = 528,366.24/746.74 - Step 6: Final answer
x = 707.56
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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.