Finding the Fourth Proportional to 554,641.58, 765,405.36 and 299,992.77
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Solution
The fourth proportional to 554,641.58, 765,405.36 and 299,992.77 is: 413,990.02
Step by Step Solution
- Step 1: Write the proportion equation
554,641.58 : 765,405.36 = 299,992.77 : x - Step 2: Convert to fraction form
554,641.58/765,405.36 = 299,992.77/x - Step 3: Cross multiply
554,641.58x = 765,405.36 × 299,992.77 - Step 4: Simplify right side
554,641.58x = 229,616,074,119.25 - Step 5: Solve for x
x = 229,616,074,119.25/554,641.58 - Step 6: Final answer
x = 413,990.02
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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.