Finding the Fourth Proportional to 555,473.28, 832,541.76 and 318,967.68
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Solution
The fourth proportional to 555,473.28, 832,541.76 and 318,967.68 is: 478,067.84
Step by Step Solution
- Step 1: Write the proportion equation
555,473.28 : 832,541.76 = 318,967.68 : x - Step 2: Convert to fraction form
555,473.28/832,541.76 = 318,967.68/x - Step 3: Cross multiply
555,473.28x = 832,541.76 × 318,967.68 - Step 4: Simplify right side
555,473.28x = 265,553,913,690.32 - Step 5: Solve for x
x = 265,553,913,690.32/555,473.28 - Step 6: Final answer
x = 478,067.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.