Finding the Fourth Proportional to 877,211.96, 1,210,484.94 and 495,276.44
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Solution
The fourth proportional to 877,211.96, 1,210,484.94 and 495,276.44 is: 683,443.34
Step by Step Solution
- Step 1: Write the proportion equation
877,211.96 : 1,210,484.94 = 495,276.44 : x - Step 2: Convert to fraction form
877,211.96/1,210,484.94 = 495,276.44/x - Step 3: Cross multiply
877,211.96x = 1,210,484.94 × 495,276.44 - Step 4: Simplify right side
877,211.96x = 599,524,671,756.81 - Step 5: Solve for x
x = 599,524,671,756.81/877,211.96 - Step 6: Final answer
x = 683,443.34
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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.