Finding the Fourth Proportional to 909,474.47, 1,254,858.99 and 516,976.63
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Solution
The fourth proportional to 909,474.47, 1,254,858.99 and 516,976.63 is: 713,305.09
Step by Step Solution
- Step 1: Write the proportion equation
909,474.47 : 1,254,858.99 = 516,976.63 : x - Step 2: Convert to fraction form
909,474.47/1,254,858.99 = 516,976.63/x - Step 3: Cross multiply
909,474.47x = 1,254,858.99 × 516,976.63 - Step 4: Simplify right side
909,474.47x = 648,732,768,638.26 - Step 5: Solve for x
x = 648,732,768,638.26/909,474.47 - Step 6: Final answer
x = 713,305.09
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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.