Finding the Fourth Proportional to 519,807.84, 717,334.74 and 281,343.84
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Solution
The fourth proportional to 519,807.84, 717,334.74 and 281,343.84 is: 388,254.46
Step by Step Solution
- Step 1: Write the proportion equation
519,807.84 : 717,334.74 = 281,343.84 : x - Step 2: Convert to fraction form
519,807.84/717,334.74 = 281,343.84/x - Step 3: Cross multiply
519,807.84x = 717,334.74 × 281,343.84 - Step 4: Simplify right side
519,807.84x = 201,817,710,317.00 - Step 5: Solve for x
x = 201,817,710,317.00/519,807.84 - Step 6: Final answer
x = 388,254.46
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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.