Finding the Fourth Proportional to 674,387.99, 930,644.56 and 368,457.80
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Solution
The fourth proportional to 674,387.99, 930,644.56 and 368,457.80 is: 508,465.83
Step by Step Solution
- Step 1: Write the proportion equation
674,387.99 : 930,644.56 = 368,457.80 : x - Step 2: Convert to fraction form
674,387.99/930,644.56 = 368,457.80/x - Step 3: Cross multiply
674,387.99x = 930,644.56 × 368,457.80 - Step 4: Simplify right side
674,387.99x = 342,903,247,159.57 - Step 5: Solve for x
x = 342,903,247,159.57/674,387.99 - Step 6: Final answer
x = 508,465.83
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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.