Finding the Fourth Proportional to 971,427.48, 1,341,615.48 and 739,510.68
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Solution
The fourth proportional to 971,427.48, 1,341,615.48 and 739,510.68 is: 1,021,320.68
Step by Step Solution
- Step 1: Write the proportion equation
971,427.48 : 1,341,615.48 = 739,510.68 : x - Step 2: Convert to fraction form
971,427.48/1,341,615.48 = 739,510.68/x - Step 3: Cross multiply
971,427.48x = 1,341,615.48 × 739,510.68 - Step 4: Simplify right side
971,427.48x = 992,138,975,913.33 - Step 5: Solve for x
x = 992,138,975,913.33/971,427.48 - Step 6: Final answer
x = 1,021,320.68
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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.