Finding the Fourth Proportional to 782,005.98, 1,078,248.81 and 626,833.21
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Solution
The fourth proportional to 782,005.98, 1,078,248.81 and 626,833.21 is: 864,292.83
Step by Step Solution
- Step 1: Write the proportion equation
782,005.98 : 1,078,248.81 = 626,833.21 : x - Step 2: Convert to fraction form
782,005.98/1,078,248.81 = 626,833.21/x - Step 3: Cross multiply
782,005.98x = 1,078,248.81 × 626,833.21 - Step 4: Simplify right side
782,005.98x = 675,882,161,395.12 - Step 5: Solve for x
x = 675,882,161,395.12/782,005.98 - Step 6: Final answer
x = 864,292.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.