Finding the Fourth Proportional to 1,013,682.36, 1,398,320.08 and 650,698.68
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Solution
The fourth proportional to 1,013,682.36, 1,398,320.08 and 650,698.68 is: 897,603.69
Step by Step Solution
- Step 1: Write the proportion equation
1,013,682.36 : 1,398,320.08 = 650,698.68 : x - Step 2: Convert to fraction form
1,013,682.36/1,398,320.08 = 650,698.68/x - Step 3: Cross multiply
1,013,682.36x = 1,398,320.08 × 650,698.68 - Step 4: Simplify right side
1,013,682.36x = 909,885,030,273.50 - Step 5: Solve for x
x = 909,885,030,273.50/1,013,682.36 - Step 6: Final answer
x = 897,603.69
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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.