Finding the Fourth Proportional to 702,900.78, 970,074.68 and 506,828.54
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Solution
The fourth proportional to 702,900.78, 970,074.68 and 506,828.54 is: 699,475.02
Step by Step Solution
- Step 1: Write the proportion equation
702,900.78 : 970,074.68 = 506,828.54 : x - Step 2: Convert to fraction form
702,900.78/970,074.68 = 506,828.54/x - Step 3: Cross multiply
702,900.78x = 970,074.68 × 506,828.54 - Step 4: Simplify right side
702,900.78x = 491,661,533,646.41 - Step 5: Solve for x
x = 491,661,533,646.41/702,900.78 - Step 6: Final answer
x = 699,475.02
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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.