Finding the Fourth Proportional to 1,077,470, 1,616,213.10 and 478,270.08
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Solution
The fourth proportional to 1,077,470, 1,616,213.10 and 478,270.08 is: 717,408.72
Step by Step Solution
- Step 1: Write the proportion equation
1,077,470 : 1,616,213.10 = 478,270.08 : x - Step 2: Convert to fraction form
1,077,470/1,616,213.10 = 478,270.08/x - Step 3: Cross multiply
1,077,470x = 1,616,213.10 × 478,270.08 - Step 4: Simplify right side
1,077,470x = 772,986,368,634.05 - Step 5: Solve for x
x = 772,986,368,634.05/1,077,470 - Step 6: Final answer
x = 717,408.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.