Finding the Fourth Proportional to 785,623.74, 1,084,130.24 and 480,211.49
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Solution
The fourth proportional to 785,623.74, 1,084,130.24 and 480,211.49 is: 662,673.19
Step by Step Solution
- Step 1: Write the proportion equation
785,623.74 : 1,084,130.24 = 480,211.49 : x - Step 2: Convert to fraction form
785,623.74/1,084,130.24 = 480,211.49/x - Step 3: Cross multiply
785,623.74x = 1,084,130.24 × 480,211.49 - Step 4: Simplify right side
785,623.74x = 520,611,790,082.75 - Step 5: Solve for x
x = 520,611,790,082.75/785,623.74 - Step 6: Final answer
x = 662,673.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.