Finding the Fourth Proportional to 679,017.58, 937,125.72 and 407,234.99
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Solution
The fourth proportional to 679,017.58, 937,125.72 and 407,234.99 is: 562,033.14
Step by Step Solution
- Step 1: Write the proportion equation
679,017.58 : 937,125.72 = 407,234.99 : x - Step 2: Convert to fraction form
679,017.58/937,125.72 = 407,234.99/x - Step 3: Cross multiply
679,017.58x = 937,125.72 × 407,234.99 - Step 4: Simplify right side
679,017.58x = 381,630,377,907.48 - Step 5: Solve for x
x = 381,630,377,907.48/679,017.58 - Step 6: Final answer
x = 562,033.14
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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.