Finding the Fourth Proportional to 717,895.08, 1,076,842.80 and 212,416.92
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Solution
The fourth proportional to 717,895.08, 1,076,842.80 and 212,416.92 is: 318,625.43
Step by Step Solution
- Step 1: Write the proportion equation
717,895.08 : 1,076,842.80 = 212,416.92 : x - Step 2: Convert to fraction form
717,895.08/1,076,842.80 = 212,416.92/x - Step 3: Cross multiply
717,895.08x = 1,076,842.80 × 212,416.92 - Step 4: Simplify right side
717,895.08x = 228,739,630,900.18 - Step 5: Solve for x
x = 228,739,630,900.18/717,895.08 - Step 6: Final answer
x = 318,625.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.