Finding the Fourth Proportional to 665,904.47, 918,995.08 and 375,542.02
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Solution
The fourth proportional to 665,904.47, 918,995.08 and 375,542.02 is: 518,274.44
Step by Step Solution
- Step 1: Write the proportion equation
665,904.47 : 918,995.08 = 375,542.02 : x - Step 2: Convert to fraction form
665,904.47/918,995.08 = 375,542.02/x - Step 3: Cross multiply
665,904.47x = 918,995.08 × 375,542.02 - Step 4: Simplify right side
665,904.47x = 345,121,265,476.92 - Step 5: Solve for x
x = 345,121,265,476.92/665,904.47 - Step 6: Final answer
x = 518,274.44
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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.