Finding the Fourth Proportional to 665,929.92, 919,725.12 and 615,541.44
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Solution
The fourth proportional to 665,929.92, 919,725.12 and 615,541.44 is: 850,132.89
Step by Step Solution
- Step 1: Write the proportion equation
665,929.92 : 919,725.12 = 615,541.44 : x - Step 2: Convert to fraction form
665,929.92/919,725.12 = 615,541.44/x - Step 3: Cross multiply
665,929.92x = 919,725.12 × 615,541.44 - Step 4: Simplify right side
665,929.92x = 566,128,924,768.97 - Step 5: Solve for x
x = 566,128,924,768.97/665,929.92 - Step 6: Final answer
x = 850,132.89
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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.