Finding the Fourth Proportional to 649,332.08, 895,816.26 and 431,646.02
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Solution
The fourth proportional to 649,332.08, 895,816.26 and 431,646.02 is: 595,497.34
Step by Step Solution
- Step 1: Write the proportion equation
649,332.08 : 895,816.26 = 431,646.02 : x - Step 2: Convert to fraction form
649,332.08/895,816.26 = 431,646.02/x - Step 3: Cross multiply
649,332.08x = 895,816.26 × 431,646.02 - Step 4: Simplify right side
649,332.08x = 386,675,523,280.29 - Step 5: Solve for x
x = 386,675,523,280.29/649,332.08 - Step 6: Final answer
x = 595,497.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.