Finding the Fourth Proportional to 578,851.84, 798,844.02 and 349,405.48
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Solution
The fourth proportional to 578,851.84, 798,844.02 and 349,405.48 is: 482,196.75
Step by Step Solution
- Step 1: Write the proportion equation
578,851.84 : 798,844.02 = 349,405.48 : x - Step 2: Convert to fraction form
578,851.84/798,844.02 = 349,405.48/x - Step 3: Cross multiply
578,851.84x = 798,844.02 × 349,405.48 - Step 4: Simplify right side
578,851.84x = 279,120,478,253.23 - Step 5: Solve for x
x = 279,120,478,253.23/578,851.84 - Step 6: Final answer
x = 482,196.75
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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.