Finding the Fourth Proportional to 844,679.74, 1,165,657.98 and 462,706.42
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Solution
The fourth proportional to 844,679.74, 1,165,657.98 and 462,706.42 is: 638,534.83
Step by Step Solution
- Step 1: Write the proportion equation
844,679.74 : 1,165,657.98 = 462,706.42 : x - Step 2: Convert to fraction form
844,679.74/1,165,657.98 = 462,706.42/x - Step 3: Cross multiply
844,679.74x = 1,165,657.98 × 462,706.42 - Step 4: Simplify right side
844,679.74x = 539,357,430,870.23 - Step 5: Solve for x
x = 539,357,430,870.23/844,679.74 - Step 6: Final answer
x = 638,534.83
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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.