Finding the Fourth Proportional to 476,652.69, 717,555.94 and 434,230.76
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Solution
The fourth proportional to 476,652.69, 717,555.94 and 434,230.76 is: 653,693.70
Step by Step Solution
- Step 1: Write the proportion equation
476,652.69 : 717,555.94 = 434,230.76 : x - Step 2: Convert to fraction form
476,652.69/717,555.94 = 434,230.76/x - Step 3: Cross multiply
476,652.69x = 717,555.94 × 434,230.76 - Step 4: Simplify right side
476,652.69x = 311,584,858,763.23 - Step 5: Solve for x
x = 311,584,858,763.23/476,652.69 - Step 6: Final answer
x = 653,693.70
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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.