Finding the Fourth Proportional to 516,979.02, 713,424.20 and 290,624.52
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Solution
The fourth proportional to 516,979.02, 713,424.20 and 290,624.52 is: 401,057.99
Step by Step Solution
- Step 1: Write the proportion equation
516,979.02 : 713,424.20 = 290,624.52 : x - Step 2: Convert to fraction form
516,979.02/713,424.20 = 290,624.52/x - Step 3: Cross multiply
516,979.02x = 713,424.20 × 290,624.52 - Step 4: Simplify right side
516,979.02x = 207,338,565,681.38 - Step 5: Solve for x
x = 207,338,565,681.38/516,979.02 - Step 6: Final answer
x = 401,057.99
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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.