Finding the Fourth Proportional to 861,549.42, 1,293,122.04 and 435,385.13
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Solution
The fourth proportional to 861,549.42, 1,293,122.04 and 435,385.13 is: 653,480.92
Step by Step Solution
- Step 1: Write the proportion equation
861,549.42 : 1,293,122.04 = 435,385.13 : x - Step 2: Convert to fraction form
861,549.42/1,293,122.04 = 435,385.13/x - Step 3: Cross multiply
861,549.42x = 1,293,122.04 × 435,385.13 - Step 4: Simplify right side
861,549.42x = 563,006,105,314.34 - Step 5: Solve for x
x = 563,006,105,314.34/861,549.42 - Step 6: Final answer
x = 653,480.92
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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.