Finding the Fourth Proportional to 539,588.18, 744,632.80 and 297,871.07
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Solution
The fourth proportional to 539,588.18, 744,632.80 and 297,871.07 is: 411,062.69
Step by Step Solution
- Step 1: Write the proportion equation
539,588.18 : 744,632.80 = 297,871.07 : x - Step 2: Convert to fraction form
539,588.18/744,632.80 = 297,871.07/x - Step 3: Cross multiply
539,588.18x = 744,632.80 × 297,871.07 - Step 4: Simplify right side
539,588.18x = 221,804,568,613.81 - Step 5: Solve for x
x = 221,804,568,613.81/539,588.18 - Step 6: Final answer
x = 411,062.69
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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.