Finding the Fourth Proportional to 669,316.13, 1,004,373.09 and 242,885.19
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Solution
The fourth proportional to 669,316.13, 1,004,373.09 and 242,885.19 is: 364,472.54
Step by Step Solution
- Step 1: Write the proportion equation
669,316.13 : 1,004,373.09 = 242,885.19 : x - Step 2: Convert to fraction form
669,316.13/1,004,373.09 = 242,885.19/x - Step 3: Cross multiply
669,316.13x = 1,004,373.09 × 242,885.19 - Step 4: Simplify right side
669,316.13x = 243,947,352,561.94 - Step 5: Solve for x
x = 243,947,352,561.94/669,316.13 - Step 6: Final answer
x = 364,472.54
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1.5x scale
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.