Finding the Fourth Proportional to 606,721.10, 910,276.05 and 407,266.70
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Solution
The fourth proportional to 606,721.10, 910,276.05 and 407,266.70 is: 611,030.54
Step by Step Solution
- Step 1: Write the proportion equation
606,721.10 : 910,276.05 = 407,266.70 : x - Step 2: Convert to fraction form
606,721.10/910,276.05 = 407,266.70/x - Step 3: Cross multiply
606,721.10x = 910,276.05 × 407,266.70 - Step 4: Simplify right side
606,721.10x = 370,725,122,972.54 - Step 5: Solve for x
x = 370,725,122,972.54/606,721.10 - Step 6: Final answer
x = 611,030.54
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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.