Finding the Fourth Proportional to 476,657.79, 717,563.59 and 434,235.84
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Solution
The fourth proportional to 476,657.79, 717,563.59 and 434,235.84 is: 653,701.32
Step by Step Solution
- Step 1: Write the proportion equation
476,657.79 : 717,563.59 = 434,235.84 : x - Step 2: Convert to fraction form
476,657.79/717,563.59 = 434,235.84/x - Step 3: Cross multiply
476,657.79x = 717,563.59 × 434,235.84 - Step 4: Simplify right side
476,657.79x = 311,591,828,257.07 - Step 5: Solve for x
x = 311,591,828,257.07/476,657.79 - Step 6: Final answer
x = 653,701.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.