Finding the Fourth Proportional to 798,360.71, 1,101,728.59 and 435,781.62
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Solution
The fourth proportional to 798,360.71, 1,101,728.59 and 435,781.62 is: 601,373.62
Step by Step Solution
- Step 1: Write the proportion equation
798,360.71 : 1,101,728.59 = 435,781.62 : x - Step 2: Convert to fraction form
798,360.71/1,101,728.59 = 435,781.62/x - Step 3: Cross multiply
798,360.71x = 1,101,728.59 × 435,781.62 - Step 4: Simplify right side
798,360.71x = 480,113,068,661.06 - Step 5: Solve for x
x = 480,113,068,661.06/798,360.71 - Step 6: Final answer
x = 601,373.62
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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.