Finding the Fourth Proportional to 803,521.76, 1,108,873.64 and 440,979.36
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Solution
The fourth proportional to 803,521.76, 1,108,873.64 and 440,979.36 is: 608,558.99
Step by Step Solution
- Step 1: Write the proportion equation
803,521.76 : 1,108,873.64 = 440,979.36 : x - Step 2: Convert to fraction form
803,521.76/1,108,873.64 = 440,979.36/x - Step 3: Cross multiply
803,521.76x = 1,108,873.64 × 440,979.36 - Step 4: Simplify right side
803,521.76x = 488,990,388,088.07 - Step 5: Solve for x
x = 488,990,388,088.07/803,521.76 - Step 6: Final answer
x = 608,558.99
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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.