Finding the Fourth Proportional to 988,395.48, 1,363,973.58 and 535,676.76
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Solution
The fourth proportional to 988,395.48, 1,363,973.58 and 535,676.76 is: 739,227.33
Step by Step Solution
- Step 1: Write the proportion equation
988,395.48 : 1,363,973.58 = 535,676.76 : x - Step 2: Convert to fraction form
988,395.48/1,363,973.58 = 535,676.76/x - Step 3: Cross multiply
988,395.48x = 1,363,973.58 × 535,676.76 - Step 4: Simplify right side
988,395.48x = 730,648,948,060.00 - Step 5: Solve for x
x = 730,648,948,060.00/988,395.48 - Step 6: Final answer
x = 739,227.33
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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.