Finding the Fourth Proportional to 810,393.84, 1,118,359.44 and 524,412
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Solution
The fourth proportional to 810,393.84, 1,118,359.44 and 524,412 is: 723,698.88
Step by Step Solution
- Step 1: Write the proportion equation
810,393.84 : 1,118,359.44 = 524,412 : x - Step 2: Convert to fraction form
810,393.84/1,118,359.44 = 524,412/x - Step 3: Cross multiply
810,393.84x = 1,118,359.44 × 524,412 - Step 4: Simplify right side
810,393.84x = 586,481,110,649.28 - Step 5: Solve for x
x = 586,481,110,649.28/810,393.84 - Step 6: Final answer
x = 723,698.88
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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.