Finding the Fourth Proportional to 870,220.49, 1,304,068.95 and 617,994.99
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Solution
The fourth proportional to 870,220.49, 1,304,068.95 and 617,994.99 is: 926,096.42
Step by Step Solution
- Step 1: Write the proportion equation
870,220.49 : 1,304,068.95 = 617,994.99 : x - Step 2: Convert to fraction form
870,220.49/1,304,068.95 = 617,994.99/x - Step 3: Cross multiply
870,220.49x = 1,304,068.95 × 617,994.99 - Step 4: Simplify right side
870,220.49x = 805,908,077,714.56 - Step 5: Solve for x
x = 805,908,077,714.56/870,220.49 - Step 6: Final answer
x = 926,096.42
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1.5x scale
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.