Finding the Fourth Proportional to 975,821.28, 1,464,606.72 and 816,891.99
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Solution
The fourth proportional to 975,821.28, 1,464,606.72 and 816,891.99 is: 1,226,070.31
Step by Step Solution
- Step 1: Write the proportion equation
975,821.28 : 1,464,606.72 = 816,891.99 : x - Step 2: Convert to fraction form
975,821.28/1,464,606.72 = 816,891.99/x - Step 3: Cross multiply
975,821.28x = 1,464,606.72 × 816,891.99 - Step 4: Simplify right side
975,821.28x = 1,196,425,498,068.17 - Step 5: Solve for x
x = 1,196,425,498,068.17/975,821.28 - Step 6: Final answer
x = 1,226,070.31
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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.