Finding the Fourth Proportional to 742,383.63, 1,024,492.05 and 402,851.88
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Solution
The fourth proportional to 742,383.63, 1,024,492.05 and 402,851.88 is: 555,937.03
Step by Step Solution
- Step 1: Write the proportion equation
742,383.63 : 1,024,492.05 = 402,851.88 : x - Step 2: Convert to fraction form
742,383.63/1,024,492.05 = 402,851.88/x - Step 3: Cross multiply
742,383.63x = 1,024,492.05 × 402,851.88 - Step 4: Simplify right side
742,383.63x = 412,718,548,387.55 - Step 5: Solve for x
x = 412,718,548,387.55/742,383.63 - Step 6: Final answer
x = 555,937.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.