Finding the Fourth Proportional to 885,475.99, 1,327,887.96 and 316,702.90
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Solution
The fourth proportional to 885,475.99, 1,327,887.96 and 316,702.90 is: 474,937.74
Step by Step Solution
- Step 1: Write the proportion equation
885,475.99 : 1,327,887.96 = 316,702.90 : x - Step 2: Convert to fraction form
885,475.99/1,327,887.96 = 316,702.90/x - Step 3: Cross multiply
885,475.99x = 1,327,887.96 × 316,702.90 - Step 4: Simplify right side
885,475.99x = 420,545,967,807.08 - Step 5: Solve for x
x = 420,545,967,807.08/885,475.99 - Step 6: Final answer
x = 474,937.74
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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.