Finding the Fourth Proportional to 705,460.98, 973,546.56 and 399,529.75
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Solution
The fourth proportional to 705,460.98, 973,546.56 and 399,529.75 is: 551,356.95
Step by Step Solution
- Step 1: Write the proportion equation
705,460.98 : 973,546.56 = 399,529.75 : x - Step 2: Convert to fraction form
705,460.98/973,546.56 = 399,529.75/x - Step 3: Cross multiply
705,460.98x = 973,546.56 × 399,529.75 - Step 4: Simplify right side
705,460.98x = 388,960,813,730.16 - Step 5: Solve for x
x = 388,960,813,730.16/705,460.98 - Step 6: Final answer
x = 551,356.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.