Finding the Fourth Proportional to 530,294.10, 731,821.26 and 288,592.26
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Solution
The fourth proportional to 530,294.10, 731,821.26 and 288,592.26 is: 398,265.70
Step by Step Solution
- Step 1: Write the proportion equation
530,294.10 : 731,821.26 = 288,592.26 : x - Step 2: Convert to fraction form
530,294.10/731,821.26 = 288,592.26/x - Step 3: Cross multiply
530,294.10x = 731,821.26 × 288,592.26 - Step 4: Simplify right side
530,294.10x = 211,197,951,339.45 - Step 5: Solve for x
x = 211,197,951,339.45/530,294.10 - Step 6: Final answer
x = 398,265.70
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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.