Finding the Fourth Proportional to 1,010,983.04, 1,395,156.84 and 558,273.68
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Solution
The fourth proportional to 1,010,983.04, 1,395,156.84 and 558,273.68 is: 770,417.81
Step by Step Solution
- Step 1: Write the proportion equation
1,010,983.04 : 1,395,156.84 = 558,273.68 : x - Step 2: Convert to fraction form
1,010,983.04/1,395,156.84 = 558,273.68/x - Step 3: Cross multiply
1,010,983.04x = 1,395,156.84 × 558,273.68 - Step 4: Simplify right side
1,010,983.04x = 778,879,343,243.97 - Step 5: Solve for x
x = 778,879,343,243.97/1,010,983.04 - Step 6: Final answer
x = 770,417.81
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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.