Finding the Fourth Proportional to 1,029,885.84, 1,421,164.08 and 577,089.36
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Solution
The fourth proportional to 1,029,885.84, 1,421,164.08 and 577,089.36 is: 796,339.40
Step by Step Solution
- Step 1: Write the proportion equation
1,029,885.84 : 1,421,164.08 = 577,089.36 : x - Step 2: Convert to fraction form
1,029,885.84/1,421,164.08 = 577,089.36/x - Step 3: Cross multiply
1,029,885.84x = 1,421,164.08 × 577,089.36 - Step 4: Simplify right side
1,029,885.84x = 820,138,669,382.19 - Step 5: Solve for x
x = 820,138,669,382.19/1,029,885.84 - Step 6: Final answer
x = 796,339.40
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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.