Finding the Fourth Proportional to 886,857.84, 1,223,818.20 and 484,372.08
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Solution
The fourth proportional to 886,857.84, 1,223,818.20 and 484,372.08 is: 668,408.55
Step by Step Solution
- Step 1: Write the proportion equation
886,857.84 : 1,223,818.20 = 484,372.08 : x - Step 2: Convert to fraction form
886,857.84/1,223,818.20 = 484,372.08/x - Step 3: Cross multiply
886,857.84x = 1,223,818.20 × 484,372.08 - Step 4: Simplify right side
886,857.84x = 592,783,367,075.86 - Step 5: Solve for x
x = 592,783,367,075.86/886,857.84 - Step 6: Final answer
x = 668,408.55
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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.