Finding the Fourth Proportional to 492,613.74, 679,806.59 and 266,259.24
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Solution
The fourth proportional to 492,613.74, 679,806.59 and 266,259.24 is: 367,437.55
Step by Step Solution
- Step 1: Write the proportion equation
492,613.74 : 679,806.59 = 266,259.24 : x - Step 2: Convert to fraction form
492,613.74/679,806.59 = 266,259.24/x - Step 3: Cross multiply
492,613.74x = 679,806.59 × 266,259.24 - Step 4: Simplify right side
492,613.74x = 181,004,784,669.10 - Step 5: Solve for x
x = 181,004,784,669.10/492,613.74 - Step 6: Final answer
x = 367,437.55
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1.5x scale
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.