Finding the Fourth Proportional to 604,386.09, 904,342.98 and 364,639.05
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Solution
The fourth proportional to 604,386.09, 904,342.98 and 364,639.05 is: 545,609.45
Step by Step Solution
- Step 1: Write the proportion equation
604,386.09 : 904,342.98 = 364,639.05 : x - Step 2: Convert to fraction form
604,386.09/904,342.98 = 364,639.05/x - Step 3: Cross multiply
604,386.09x = 904,342.98 × 364,639.05 - Step 4: Simplify right side
604,386.09x = 329,758,765,101.37 - Step 5: Solve for x
x = 329,758,765,101.37/604,386.09 - Step 6: Final answer
x = 545,609.45
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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.