Finding the Fourth Proportional to 523,878.12, 722,956.86 and 297,525.24
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Solution
The fourth proportional to 523,878.12, 722,956.86 and 297,525.24 is: 410,587.70
Step by Step Solution
- Step 1: Write the proportion equation
523,878.12 : 722,956.86 = 297,525.24 : x - Step 2: Convert to fraction form
523,878.12/722,956.86 = 297,525.24/x - Step 3: Cross multiply
523,878.12x = 722,956.86 × 297,525.24 - Step 4: Simplify right side
523,878.12x = 215,097,913,281.15 - Step 5: Solve for x
x = 215,097,913,281.15/523,878.12 - Step 6: Final answer
x = 410,587.70
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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.