Finding the Fourth Proportional to 658,431.99, 908,709.84 and 371,970.50
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Solution
The fourth proportional to 658,431.99, 908,709.84 and 371,970.50 is: 513,360.92
Step by Step Solution
- Step 1: Write the proportion equation
658,431.99 : 908,709.84 = 371,970.50 : x - Step 2: Convert to fraction form
658,431.99/908,709.84 = 371,970.50/x - Step 3: Cross multiply
658,431.99x = 908,709.84 × 371,970.50 - Step 4: Simplify right side
658,431.99x = 338,013,248,996.17 - Step 5: Solve for x
x = 338,013,248,996.17/658,431.99 - Step 6: Final answer
x = 513,360.92
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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.