Finding the Fourth Proportional to 572,497.80, 858,746.70 and 336,301.80
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Solution
The fourth proportional to 572,497.80, 858,746.70 and 336,301.80 is: 504,452.70
Step by Step Solution
- Step 1: Write the proportion equation
572,497.80 : 858,746.70 = 336,301.80 : x - Step 2: Convert to fraction form
572,497.80/858,746.70 = 336,301.80/x - Step 3: Cross multiply
572,497.80x = 858,746.70 × 336,301.80 - Step 4: Simplify right side
572,497.80x = 288,798,060,954.06 - Step 5: Solve for x
x = 288,798,060,954.06/572,497.80 - Step 6: Final answer
x = 504,452.70
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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.