Finding the Fourth Proportional to 516,689.02, 713,027.64 and 290,334.52
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Solution
The fourth proportional to 516,689.02, 713,027.64 and 290,334.52 is: 400,659.84
Step by Step Solution
- Step 1: Write the proportion equation
516,689.02 : 713,027.64 = 290,334.52 : x - Step 2: Convert to fraction form
516,689.02/713,027.64 = 290,334.52/x - Step 3: Cross multiply
516,689.02x = 713,027.64 × 290,334.52 - Step 4: Simplify right side
516,689.02x = 207,016,537,606.13 - Step 5: Solve for x
x = 207,016,537,606.13/516,689.02 - Step 6: Final answer
x = 400,659.84
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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.