Finding the Fourth Proportional to 459,484.17, 689,135.39 and 436,698.96
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Solution
The fourth proportional to 459,484.17, 689,135.39 and 436,698.96 is: 654,962.08
Step by Step Solution
- Step 1: Write the proportion equation
459,484.17 : 689,135.39 = 436,698.96 : x - Step 2: Convert to fraction form
459,484.17/689,135.39 = 436,698.96/x - Step 3: Cross multiply
459,484.17x = 689,135.39 × 436,698.96 - Step 4: Simplify right side
459,484.17x = 300,944,702,483.02 - Step 5: Solve for x
x = 300,944,702,483.02/459,484.17 - Step 6: Final answer
x = 654,962.08
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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.