Finding the Fourth Proportional to 513,040.74, 765,804.12 and 452,440.20
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Solution
The fourth proportional to 513,040.74, 765,804.12 and 452,440.20 is: 675,347.09
Step by Step Solution
- Step 1: Write the proportion equation
513,040.74 : 765,804.12 = 452,440.20 : x - Step 2: Convert to fraction form
513,040.74/765,804.12 = 452,440.20/x - Step 3: Cross multiply
513,040.74x = 765,804.12 × 452,440.20 - Step 4: Simplify right side
513,040.74x = 346,480,569,213.62 - Step 5: Solve for x
x = 346,480,569,213.62/513,040.74 - Step 6: Final answer
x = 675,347.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.