Finding the Fourth Proportional to 863,790.95, 1,295,131.68 and 358,700.47
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Solution
The fourth proportional to 863,790.95, 1,295,131.68 and 358,700.47 is: 537,820.33
Step by Step Solution
- Step 1: Write the proportion equation
863,790.95 : 1,295,131.68 = 358,700.47 : x - Step 2: Convert to fraction form
863,790.95/1,295,131.68 = 358,700.47/x - Step 3: Cross multiply
863,790.95x = 1,295,131.68 × 358,700.47 - Step 4: Simplify right side
863,790.95x = 464,564,339,090.06 - Step 5: Solve for x
x = 464,564,339,090.06/863,790.95 - Step 6: Final answer
x = 537,820.33
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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.