Finding the Fourth Proportional to 869,328.02, 1,199,671.08 and 487,354.70
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Solution
The fourth proportional to 869,328.02, 1,199,671.08 and 487,354.70 is: 672,548.60
Step by Step Solution
- Step 1: Write the proportion equation
869,328.02 : 1,199,671.08 = 487,354.70 : x - Step 2: Convert to fraction form
869,328.02/1,199,671.08 = 487,354.70/x - Step 3: Cross multiply
869,328.02x = 1,199,671.08 × 487,354.70 - Step 4: Simplify right side
869,328.02x = 584,665,339,292.08 - Step 5: Solve for x
x = 584,665,339,292.08/869,328.02 - Step 6: Final answer
x = 672,548.60
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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.