Finding the Fourth Proportional to 688,424.87, 950,162.99 and 439,907.96
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Solution
The fourth proportional to 688,424.87, 950,162.99 and 439,907.96 is: 607,160.31
Step by Step Solution
- Step 1: Write the proportion equation
688,424.87 : 950,162.99 = 439,907.96 : x - Step 2: Convert to fraction form
688,424.87/950,162.99 = 439,907.96/x - Step 3: Cross multiply
688,424.87x = 950,162.99 × 439,907.96 - Step 4: Simplify right side
688,424.87x = 417,984,255,648.05 - Step 5: Solve for x
x = 417,984,255,648.05/688,424.87 - Step 6: Final answer
x = 607,160.31
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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.