Finding the Fourth Proportional to 538,032.68, 742,476.02 and 296,337.74
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Solution
The fourth proportional to 538,032.68, 742,476.02 and 296,337.74 is: 408,941.08
Step by Step Solution
- Step 1: Write the proportion equation
538,032.68 : 742,476.02 = 296,337.74 : x - Step 2: Convert to fraction form
538,032.68/742,476.02 = 296,337.74/x - Step 3: Cross multiply
538,032.68x = 742,476.02 × 296,337.74 - Step 4: Simplify right side
538,032.68x = 220,023,666,420.25 - Step 5: Solve for x
x = 220,023,666,420.25/538,032.68 - Step 6: Final answer
x = 408,941.08
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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.