Finding the Fourth Proportional to 896,153.15, 1,236,679.98 and 488,271.98
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Solution
The fourth proportional to 896,153.15, 1,236,679.98 and 488,271.98 is: 673,809.14
Step by Step Solution
- Step 1: Write the proportion equation
896,153.15 : 1,236,679.98 = 488,271.98 : x - Step 2: Convert to fraction form
896,153.15/1,236,679.98 = 488,271.98/x - Step 3: Cross multiply
896,153.15x = 1,236,679.98 × 488,271.98 - Step 4: Simplify right side
896,153.15x = 603,836,182,460.96 - Step 5: Solve for x
x = 603,836,182,460.96/896,153.15 - Step 6: Final answer
x = 673,809.14
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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.