Finding the Fourth Proportional to 957,110.18, 1,320,870.05 and 527,389.79
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Solution
The fourth proportional to 957,110.18, 1,320,870.05 and 527,389.79 is: 727,829.86
Step by Step Solution
- Step 1: Write the proportion equation
957,110.18 : 1,320,870.05 = 527,389.79 : x - Step 2: Convert to fraction form
957,110.18/1,320,870.05 = 527,389.79/x - Step 3: Cross multiply
957,110.18x = 1,320,870.05 × 527,389.79 - Step 4: Simplify right side
957,110.18x = 696,613,369,045.49 - Step 5: Solve for x
x = 696,613,369,045.49/957,110.18 - Step 6: Final answer
x = 727,829.86
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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.