Finding the Fourth Proportional to 506,721.24, 758,567.43 and 306,435.78
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Solution
The fourth proportional to 506,721.24, 758,567.43 and 306,435.78 is: 458,737.83
Step by Step Solution
- Step 1: Write the proportion equation
506,721.24 : 758,567.43 = 306,435.78 : x - Step 2: Convert to fraction form
506,721.24/758,567.43 = 306,435.78/x - Step 3: Cross multiply
506,721.24x = 758,567.43 × 306,435.78 - Step 4: Simplify right side
506,721.24x = 232,452,202,094.65 - Step 5: Solve for x
x = 232,452,202,094.65/506,721.24 - Step 6: Final answer
x = 458,737.83
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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.