Finding the Fourth Proportional to 679,954.17, 938,307.81 and 374,011.14
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Solution
The fourth proportional to 679,954.17, 938,307.81 and 374,011.14 is: 516,119.45
Step by Step Solution
- Step 1: Write the proportion equation
679,954.17 : 938,307.81 = 374,011.14 : x - Step 2: Convert to fraction form
679,954.17/938,307.81 = 374,011.14/x - Step 3: Cross multiply
679,954.17x = 938,307.81 × 374,011.14 - Step 4: Simplify right side
679,954.17x = 350,937,573,689.00 - Step 5: Solve for x
x = 350,937,573,689.00/679,954.17 - Step 6: Final answer
x = 516,119.45
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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.