Finding the Fourth Proportional to 514,829.70, 772,244.55 and 479,837.70
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Solution
The fourth proportional to 514,829.70, 772,244.55 and 479,837.70 is: 719,756.55
Step by Step Solution
- Step 1: Write the proportion equation
514,829.70 : 772,244.55 = 479,837.70 : x - Step 2: Convert to fraction form
514,829.70/772,244.55 = 479,837.70/x - Step 3: Cross multiply
514,829.70x = 772,244.55 × 479,837.70 - Step 4: Simplify right side
514,829.70x = 370,552,048,709.54 - Step 5: Solve for x
x = 370,552,048,709.54/514,829.70 - Step 6: Final answer
x = 719,756.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.