Finding the Fourth Proportional to 626,800.08, 863,434.68 and 534,619.07
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Solution
The fourth proportional to 626,800.08, 863,434.68 and 534,619.07 is: 736,452.75
Step by Step Solution
- Step 1: Write the proportion equation
626,800.08 : 863,434.68 = 534,619.07 : x - Step 2: Convert to fraction form
626,800.08/863,434.68 = 534,619.07/x - Step 3: Cross multiply
626,800.08x = 863,434.68 × 534,619.07 - Step 4: Simplify right side
626,800.08x = 461,608,641,310.17 - Step 5: Solve for x
x = 461,608,641,310.17/626,800.08 - Step 6: Final answer
x = 736,452.75
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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.