Finding the Fourth Proportional to 819,873.23, 1,129,098.08 and 704,312.15
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Solution
The fourth proportional to 819,873.23, 1,129,098.08 and 704,312.15 is: 969,951.78
Step by Step Solution
- Step 1: Write the proportion equation
819,873.23 : 1,129,098.08 = 704,312.15 : x - Step 2: Convert to fraction form
819,873.23/1,129,098.08 = 704,312.15/x - Step 3: Cross multiply
819,873.23x = 1,129,098.08 × 704,312.15 - Step 4: Simplify right side
819,873.23x = 795,237,492,400.96 - Step 5: Solve for x
x = 795,237,492,400.96/819,873.23 - Step 6: Final answer
x = 969,951.78
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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.