Finding the Fourth Proportional to 749,070.76, 1,033,717.64 and 409,539
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Solution
The fourth proportional to 749,070.76, 1,033,717.64 and 409,539 is: 565,163.82
Step by Step Solution
- Step 1: Write the proportion equation
749,070.76 : 1,033,717.64 = 409,539 : x - Step 2: Convert to fraction form
749,070.76/1,033,717.64 = 409,539/x - Step 3: Cross multiply
749,070.76x = 1,033,717.64 × 409,539 - Step 4: Simplify right side
749,070.76x = 423,347,688,567.96 - Step 5: Solve for x
x = 423,347,688,567.96/749,070.76 - Step 6: Final answer
x = 565,163.82
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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.