Finding the Fourth Proportional to 673,227.18, 929,135.75 and 386,746.65
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Solution
The fourth proportional to 673,227.18, 929,135.75 and 386,746.65 is: 533,757.62
Step by Step Solution
- Step 1: Write the proportion equation
673,227.18 : 929,135.75 = 386,746.65 : x - Step 2: Convert to fraction form
673,227.18/929,135.75 = 386,746.65/x - Step 3: Cross multiply
673,227.18x = 929,135.75 × 386,746.65 - Step 4: Simplify right side
673,227.18x = 359,340,136,774.00 - Step 5: Solve for x
x = 359,340,136,774.00/673,227.18 - Step 6: Final answer
x = 533,757.62
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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.