Finding the Fourth Proportional to 624,307.80, 936,461.70 and 624,307.80
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Solution
The fourth proportional to 624,307.80, 936,461.70 and 624,307.80 is: 936,461.70
Step by Step Solution
- Step 1: Write the proportion equation
624,307.80 : 936,461.70 = 624,307.80 : x - Step 2: Convert to fraction form
624,307.80/936,461.70 = 624,307.80/x - Step 3: Cross multiply
624,307.80x = 936,461.70 × 624,307.80 - Step 4: Simplify right side
624,307.80x = 584,640,343,711.26 - Step 5: Solve for x
x = 584,640,343,711.26/624,307.80 - Step 6: Final answer
x = 936,461.70
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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.