Finding the Fourth Proportional to 525,235.68, 724,833.84 and 286,771.68
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Solution
The fourth proportional to 525,235.68, 724,833.84 and 286,771.68 is: 395,749.61
Step by Step Solution
- Step 1: Write the proportion equation
525,235.68 : 724,833.84 = 286,771.68 : x - Step 2: Convert to fraction form
525,235.68/724,833.84 = 286,771.68/x - Step 3: Cross multiply
525,235.68x = 724,833.84 × 286,771.68 - Step 4: Simplify right side
525,235.68x = 207,861,818,017.65 - Step 5: Solve for x
x = 207,861,818,017.65/525,235.68 - Step 6: Final answer
x = 395,749.61
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1.5x scale
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.