Finding the Fourth Proportional to 939,256.72, 1,296,173.62 and 509,536.84
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Solution
The fourth proportional to 939,256.72, 1,296,173.62 and 509,536.84 is: 703,160.48
Step by Step Solution
- Step 1: Write the proportion equation
939,256.72 : 1,296,173.62 = 509,536.84 : x - Step 2: Convert to fraction form
939,256.72/1,296,173.62 = 509,536.84/x - Step 3: Cross multiply
939,256.72x = 1,296,173.62 × 509,536.84 - Step 4: Simplify right side
939,256.72x = 660,448,210,426.16 - Step 5: Solve for x
x = 660,448,210,426.16/939,256.72 - Step 6: Final answer
x = 703,160.48
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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.