Finding the Fourth Proportional to 1,021,491.75, 1,531,671.44 and 473,786.76
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Solution
The fourth proportional to 1,021,491.75, 1,531,671.44 and 473,786.76 is: 710,417.53
Step by Step Solution
- Step 1: Write the proportion equation
1,021,491.75 : 1,531,671.44 = 473,786.76 : x - Step 2: Convert to fraction form
1,021,491.75/1,531,671.44 = 473,786.76/x - Step 3: Cross multiply
1,021,491.75x = 1,531,671.44 × 473,786.76 - Step 4: Simplify right side
1,021,491.75x = 725,685,646,573.20 - Step 5: Solve for x
x = 725,685,646,573.20/1,021,491.75 - Step 6: Final answer
x = 710,417.53
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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.