Finding the Fourth Proportional to 744,681.74, 1,117,034.92 and 360,207.14
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Solution
The fourth proportional to 744,681.74, 1,117,034.92 and 360,207.14 is: 540,316.66
Step by Step Solution
- Step 1: Write the proportion equation
744,681.74 : 1,117,034.92 = 360,207.14 : x - Step 2: Convert to fraction form
744,681.74/1,117,034.92 = 360,207.14/x - Step 3: Cross multiply
744,681.74x = 1,117,034.92 × 360,207.14 - Step 4: Simplify right side
744,681.74x = 402,363,948,678.41 - Step 5: Solve for x
x = 402,363,948,678.41/744,681.74 - Step 6: Final answer
x = 540,316.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.