Finding the Fourth Proportional to 984,238.13, 1,358,248.62 and 531,529.13
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Solution
The fourth proportional to 984,238.13, 1,358,248.62 and 531,529.13 is: 733,510.20
Step by Step Solution
- Step 1: Write the proportion equation
984,238.13 : 1,358,248.62 = 531,529.13 : x - Step 2: Convert to fraction form
984,238.13/1,358,248.62 = 531,529.13/x - Step 3: Cross multiply
984,238.13x = 1,358,248.62 × 531,529.13 - Step 4: Simplify right side
984,238.13x = 721,948,707,312.30 - Step 5: Solve for x
x = 721,948,707,312.30/984,238.13 - Step 6: Final answer
x = 733,510.20
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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.