Finding the Fourth Proportional to 578,336.16, 798,153.84 and 323,683.68
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Solution
The fourth proportional to 578,336.16, 798,153.84 and 323,683.68 is: 446,711.43
Step by Step Solution
- Step 1: Write the proportion equation
578,336.16 : 798,153.84 = 323,683.68 : x - Step 2: Convert to fraction form
578,336.16/798,153.84 = 323,683.68/x - Step 3: Cross multiply
578,336.16x = 798,153.84 × 323,683.68 - Step 4: Simplify right side
578,336.16x = 258,349,372,137.33 - Step 5: Solve for x
x = 258,349,372,137.33/578,336.16 - Step 6: Final answer
x = 446,711.43
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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.