Finding the Fourth Proportional to 704,890.88, 1,058,386.08 and 284,986.88
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Solution
The fourth proportional to 704,890.88, 1,058,386.08 and 284,986.88 is: 427,904.74
Step by Step Solution
- Step 1: Write the proportion equation
704,890.88 : 1,058,386.08 = 284,986.88 : x - Step 2: Convert to fraction form
704,890.88/1,058,386.08 = 284,986.88/x - Step 3: Cross multiply
704,890.88x = 1,058,386.08 × 284,986.88 - Step 4: Simplify right side
704,890.88x = 301,626,146,774.63 - Step 5: Solve for x
x = 301,626,146,774.63/704,890.88 - Step 6: Final answer
x = 427,904.74
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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.