Finding the Fourth Proportional to 912,698.88, 1,366,952.08 and 455,887.96
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Solution
The fourth proportional to 912,698.88, 1,366,952.08 and 455,887.96 is: 682,784.88
Step by Step Solution
- Step 1: Write the proportion equation
912,698.88 : 1,366,952.08 = 455,887.96 : x - Step 2: Convert to fraction form
912,698.88/1,366,952.08 = 455,887.96/x - Step 3: Cross multiply
912,698.88x = 1,366,952.08 × 455,887.96 - Step 4: Simplify right side
912,698.88x = 623,176,995,168.96 - Step 5: Solve for x
x = 623,176,995,168.96/912,698.88 - Step 6: Final answer
x = 682,784.88
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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.