Finding the Fourth Proportional to 657,991.07, 907,972.99 and 386,030.51
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Solution
The fourth proportional to 657,991.07, 907,972.99 and 386,030.51 is: 532,690.02
Step by Step Solution
- Step 1: Write the proportion equation
657,991.07 : 907,972.99 = 386,030.51 : x - Step 2: Convert to fraction form
657,991.07/907,972.99 = 386,030.51/x - Step 3: Cross multiply
657,991.07x = 907,972.99 × 386,030.51 - Step 4: Simplify right side
657,991.07x = 350,505,276,395.93 - Step 5: Solve for x
x = 350,505,276,395.93/657,991.07 - Step 6: Final answer
x = 532,690.02
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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.