Finding the Fourth Proportional to 971,621.33, 1,340,403.80 and 563,486.63
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Solution
The fourth proportional to 971,621.33, 1,340,403.80 and 563,486.63 is: 777,360.06
Step by Step Solution
- Step 1: Write the proportion equation
971,621.33 : 1,340,403.80 = 563,486.63 : x - Step 2: Convert to fraction form
971,621.33/1,340,403.80 = 563,486.63/x - Step 3: Cross multiply
971,621.33x = 1,340,403.80 × 563,486.63 - Step 4: Simplify right side
971,621.33x = 755,299,610,581.74 - Step 5: Solve for x
x = 755,299,610,581.74/971,621.33 - Step 6: Final answer
x = 777,360.06
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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.