Finding the Fourth Proportional to 507,905.19, 761,189.36 and 283,371.35
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Solution
The fourth proportional to 507,905.19, 761,189.36 and 283,371.35 is: 424,684.09
Step by Step Solution
- Step 1: Write the proportion equation
507,905.19 : 761,189.36 = 283,371.35 : x - Step 2: Convert to fraction form
507,905.19/761,189.36 = 283,371.35/x - Step 3: Cross multiply
507,905.19x = 761,189.36 × 283,371.35 - Step 4: Simplify right side
507,905.19x = 215,699,251,326.03 - Step 5: Solve for x
x = 215,699,251,326.03/507,905.19 - Step 6: Final answer
x = 424,684.09
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1.5x scale
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.