Finding the Fourth Proportional to 558,668.88, 770,980.55 and 316,961.64
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Solution
The fourth proportional to 558,668.88, 770,980.55 and 316,961.64 is: 437,416.99
Step by Step Solution
- Step 1: Write the proportion equation
558,668.88 : 770,980.55 = 316,961.64 : x - Step 2: Convert to fraction form
558,668.88/770,980.55 = 316,961.64/x - Step 3: Cross multiply
558,668.88x = 770,980.55 × 316,961.64 - Step 4: Simplify right side
558,668.88x = 244,371,257,951.29 - Step 5: Solve for x
x = 244,371,257,951.29/558,668.88 - Step 6: Final answer
x = 437,416.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.