Finding the Fourth Proportional to 552,987.36, 829,714.32 and 328,776.12
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Solution
The fourth proportional to 552,987.36, 829,714.32 and 328,776.12 is: 493,302.88
Step by Step Solution
- Step 1: Write the proportion equation
552,987.36 : 829,714.32 = 328,776.12 : x - Step 2: Convert to fraction form
552,987.36/829,714.32 = 328,776.12/x - Step 3: Cross multiply
552,987.36x = 829,714.32 × 328,776.12 - Step 4: Simplify right side
552,987.36x = 272,790,254,838.04 - Step 5: Solve for x
x = 272,790,254,838.04/552,987.36 - Step 6: Final answer
x = 493,302.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.