Finding the Fourth Proportional to 963,746.70, 1,445,620.05 and 515,849.10
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Solution
The fourth proportional to 963,746.70, 1,445,620.05 and 515,849.10 is: 773,773.65
Step by Step Solution
- Step 1: Write the proportion equation
963,746.70 : 1,445,620.05 = 515,849.10 : x - Step 2: Convert to fraction form
963,746.70/1,445,620.05 = 515,849.10/x - Step 3: Cross multiply
963,746.70x = 1,445,620.05 × 515,849.10 - Step 4: Simplify right side
963,746.70x = 745,721,801,734.46 - Step 5: Solve for x
x = 745,721,801,734.46/963,746.70 - Step 6: Final answer
x = 773,773.65
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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.