Finding the Fourth Proportional to 507,901.24, 761,865.90 and 283,135.96
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Solution
The fourth proportional to 507,901.24, 761,865.90 and 283,135.96 is: 424,711.77
Step by Step Solution
- Step 1: Write the proportion equation
507,901.24 : 761,865.90 = 283,135.96 : x - Step 2: Convert to fraction form
507,901.24/761,865.90 = 283,135.96/x - Step 3: Cross multiply
507,901.24x = 761,865.90 × 283,135.96 - Step 4: Simplify right side
507,901.24x = 215,711,632,987.76 - Step 5: Solve for x
x = 215,711,632,987.76/507,901.24 - Step 6: Final answer
x = 424,711.77
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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.