Finding the Fourth Proportional to 996,432.40, 1,493,117.70 and 742,521.70
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Solution
The fourth proportional to 996,432.40, 1,493,117.70 and 742,521.70 is: 1,112,641.75
Step by Step Solution
- Step 1: Write the proportion equation
996,432.40 : 1,493,117.70 = 742,521.70 : x - Step 2: Convert to fraction form
996,432.40/1,493,117.70 = 742,521.70/x - Step 3: Cross multiply
996,432.40x = 1,493,117.70 × 742,521.70 - Step 4: Simplify right side
996,432.40x = 1,108,672,292,904.09 - Step 5: Solve for x
x = 1,108,672,292,904.09/996,432.40 - Step 6: Final answer
x = 1,112,641.75
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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.