Finding the Fourth Proportional to 580,737.49, 801,390.47 and 322,631.09
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Solution
The fourth proportional to 580,737.49, 801,390.47 and 322,631.09 is: 445,215.76
Step by Step Solution
- Step 1: Write the proportion equation
580,737.49 : 801,390.47 = 322,631.09 : x - Step 2: Convert to fraction form
580,737.49/801,390.47 = 322,631.09/x - Step 3: Cross multiply
580,737.49x = 801,390.47 × 322,631.09 - Step 4: Simplify right side
580,737.49x = 258,553,480,851.71 - Step 5: Solve for x
x = 258,553,480,851.71/580,737.49 - Step 6: Final answer
x = 445,215.76
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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.