Finding the Fourth Proportional to 567,772.58, 783,526.91 and 309,650.09
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Solution
The fourth proportional to 567,772.58, 783,526.91 and 309,650.09 is: 427,317.52
Step by Step Solution
- Step 1: Write the proportion equation
567,772.58 : 783,526.91 = 309,650.09 : x - Step 2: Convert to fraction form
567,772.58/783,526.91 = 309,650.09/x - Step 3: Cross multiply
567,772.58x = 783,526.91 × 309,650.09 - Step 4: Simplify right side
567,772.58x = 242,619,172,733.04 - Step 5: Solve for x
x = 242,619,172,733.04/567,772.58 - Step 6: Final answer
x = 427,317.52
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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.