Finding the Fourth Proportional to 653,526.18, 901,920.69 and 367,103.70
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Solution
The fourth proportional to 653,526.18, 901,920.69 and 367,103.70 is: 506,633.75
Step by Step Solution
- Step 1: Write the proportion equation
653,526.18 : 901,920.69 = 367,103.70 : x - Step 2: Convert to fraction form
653,526.18/901,920.69 = 367,103.70/x - Step 3: Cross multiply
653,526.18x = 901,920.69 × 367,103.70 - Step 4: Simplify right side
653,526.18x = 331,098,422,405.55 - Step 5: Solve for x
x = 331,098,422,405.55/653,526.18 - Step 6: Final answer
x = 506,633.75
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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.