Finding the Fourth Proportional to 887,005.80, 1,330,508.70 and 782,029.80
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Solution
The fourth proportional to 887,005.80, 1,330,508.70 and 782,029.80 is: 1,173,044.70
Step by Step Solution
- Step 1: Write the proportion equation
887,005.80 : 1,330,508.70 = 782,029.80 : x - Step 2: Convert to fraction form
887,005.80/1,330,508.70 = 782,029.80/x - Step 3: Cross multiply
887,005.80x = 1,330,508.70 × 782,029.80 - Step 4: Simplify right side
887,005.80x = 1,040,497,452,559.26 - Step 5: Solve for x
x = 1,040,497,452,559.26/887,005.80 - Step 6: Final answer
x = 1,173,044.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.