Finding the Fourth Proportional to 624,153.70, 936,230.55 and 606,657.70
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Solution
The fourth proportional to 624,153.70, 936,230.55 and 606,657.70 is: 909,986.55
Step by Step Solution
- Step 1: Write the proportion equation
624,153.70 : 936,230.55 = 606,657.70 : x - Step 2: Convert to fraction form
624,153.70/936,230.55 = 606,657.70/x - Step 3: Cross multiply
624,153.70x = 936,230.55 × 606,657.70 - Step 4: Simplify right side
624,153.70x = 567,971,472,132.74 - Step 5: Solve for x
x = 567,971,472,132.74/624,153.70 - Step 6: Final answer
x = 909,986.55
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Similar ratio
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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.