Finding the Fourth Proportional to 623,377.01, 859,861.36 and 432,320.69
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Solution
The fourth proportional to 623,377.01, 859,861.36 and 432,320.69 is: 596,325.90
Step by Step Solution
- Step 1: Write the proportion equation
623,377.01 : 859,861.36 = 432,320.69 : x - Step 2: Convert to fraction form
623,377.01/859,861.36 = 432,320.69/x - Step 3: Cross multiply
623,377.01x = 859,861.36 × 432,320.69 - Step 4: Simplify right side
623,377.01x = 371,735,856,459.54 - Step 5: Solve for x
x = 371,735,856,459.54/623,377.01 - Step 6: Final answer
x = 596,325.90
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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.