Finding the Fourth Proportional to 643,574.44, 884,983.35 and 558,543.88
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Solution
The fourth proportional to 643,574.44, 884,983.35 and 558,543.88 is: 768,057.28
Step by Step Solution
- Step 1: Write the proportion equation
643,574.44 : 884,983.35 = 558,543.88 : x - Step 2: Convert to fraction form
643,574.44/884,983.35 = 558,543.88/x - Step 3: Cross multiply
643,574.44x = 884,983.35 × 558,543.88 - Step 4: Simplify right side
643,574.44x = 494,302,034,044.40 - Step 5: Solve for x
x = 494,302,034,044.40/643,574.44 - Step 6: Final answer
x = 768,057.28
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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.