Finding the Fourth Proportional to 578,671.62, 798,437.66 and 349,266.12
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Solution
The fourth proportional to 578,671.62, 798,437.66 and 349,266.12 is: 481,909.28
Step by Step Solution
- Step 1: Write the proportion equation
578,671.62 : 798,437.66 = 349,266.12 : x - Step 2: Convert to fraction form
578,671.62/798,437.66 = 349,266.12/x - Step 3: Cross multiply
578,671.62x = 798,437.66 × 349,266.12 - Step 4: Simplify right side
578,671.62x = 278,867,223,570.08 - Step 5: Solve for x
x = 278,867,223,570.08/578,671.62 - Step 6: Final answer
x = 481,909.28
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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.