Finding the Fourth Proportional to 513,147.24, 708,141.41 and 286,792.74
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Solution
The fourth proportional to 513,147.24, 708,141.41 and 286,792.74 is: 395,772.99
Step by Step Solution
- Step 1: Write the proportion equation
513,147.24 : 708,141.41 = 286,792.74 : x - Step 2: Convert to fraction form
513,147.24/708,141.41 = 286,792.74/x - Step 3: Cross multiply
513,147.24x = 708,141.41 × 286,792.74 - Step 4: Simplify right side
513,147.24x = 203,089,815,998.35 - Step 5: Solve for x
x = 203,089,815,998.35/513,147.24 - Step 6: Final answer
x = 395,772.99
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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.