Finding the Fourth Proportional to 858,490.48, 1,184,714.84 and 476,521.84
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Solution
The fourth proportional to 858,490.48, 1,184,714.84 and 476,521.84 is: 657,599.02
Step by Step Solution
- Step 1: Write the proportion equation
858,490.48 : 1,184,714.84 = 476,521.84 : x - Step 2: Convert to fraction form
858,490.48/1,184,714.84 = 476,521.84/x - Step 3: Cross multiply
858,490.48x = 1,184,714.84 × 476,521.84 - Step 4: Simplify right side
858,490.48x = 564,542,495,432.11 - Step 5: Solve for x
x = 564,542,495,432.11/858,490.48 - Step 6: Final answer
x = 657,599.02
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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.