Finding the Fourth Proportional to 500,174.74, 750,260.98 and 386,487.88
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Solution
The fourth proportional to 500,174.74, 750,260.98 and 386,487.88 is: 579,730.95
Step by Step Solution
- Step 1: Write the proportion equation
500,174.74 : 750,260.98 = 386,487.88 : x - Step 2: Convert to fraction form
500,174.74/750,260.98 = 386,487.88/x - Step 3: Cross multiply
500,174.74x = 750,260.98 × 386,487.88 - Step 4: Simplify right side
500,174.74x = 289,966,775,606.92 - Step 5: Solve for x
x = 289,966,775,606.92/500,174.74 - Step 6: Final answer
x = 579,730.95
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1.5x scale
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.