Finding the Fourth Proportional to 935,580.50, 1,290,806.36 and 572,625.98
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Solution
The fourth proportional to 935,580.50, 1,290,806.36 and 572,625.98 is: 790,043.46
Step by Step Solution
- Step 1: Write the proportion equation
935,580.50 : 1,290,806.36 = 572,625.98 : x - Step 2: Convert to fraction form
935,580.50/1,290,806.36 = 572,625.98/x - Step 3: Cross multiply
935,580.50x = 1,290,806.36 × 572,625.98 - Step 4: Simplify right side
935,580.50x = 739,149,256,885.23 - Step 5: Solve for x
x = 739,149,256,885.23/935,580.50 - Step 6: Final answer
x = 790,043.46
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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.