Finding the Fourth Proportional to 1,077,492, 1,616,246.10 and 478,292.07
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Solution
The fourth proportional to 1,077,492, 1,616,246.10 and 478,292.07 is: 717,441.70
Step by Step Solution
- Step 1: Write the proportion equation
1,077,492 : 1,616,246.10 = 478,292.07 : x - Step 2: Convert to fraction form
1,077,492/1,616,246.10 = 478,292.07/x - Step 3: Cross multiply
1,077,492x = 1,616,246.10 × 478,292.07 - Step 4: Simplify right side
1,077,492x = 773,037,692,798.43 - Step 5: Solve for x
x = 773,037,692,798.43/1,077,492 - Step 6: Final answer
x = 717,441.70
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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.