Finding the Fourth Proportional to 877,170.96, 1,210,428.36 and 495,235.44
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Solution
The fourth proportional to 877,170.96, 1,210,428.36 and 495,235.44 is: 683,386.76
Step by Step Solution
- Step 1: Write the proportion equation
877,170.96 : 1,210,428.36 = 495,235.44 : x - Step 2: Convert to fraction form
877,170.96/1,210,428.36 = 495,235.44/x - Step 3: Cross multiply
877,170.96x = 1,210,428.36 × 495,235.44 - Step 4: Simplify right side
877,170.96x = 599,447,021,453.08 - Step 5: Solve for x
x = 599,447,021,453.08/877,170.96 - Step 6: Final answer
x = 683,386.76
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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.