Finding the Fourth Proportional to 971,698.14, 1,340,581.92 and 563,571.12
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Solution
The fourth proportional to 971,698.14, 1,340,581.92 and 563,571.12 is: 777,518.47
Step by Step Solution
- Step 1: Write the proportion equation
971,698.14 : 1,340,581.92 = 563,571.12 : x - Step 2: Convert to fraction form
971,698.14/1,340,581.92 = 563,571.12/x - Step 3: Cross multiply
971,698.14x = 1,340,581.92 × 563,571.12 - Step 4: Simplify right side
971,698.14x = 755,513,254,106.15 - Step 5: Solve for x
x = 755,513,254,106.15/971,698.14 - Step 6: Final answer
x = 777,518.47
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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.