Finding the Fourth Proportional to 776,860.41, 1,072,050.84 and 432,695.28
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Solution
The fourth proportional to 776,860.41, 1,072,050.84 and 432,695.28 is: 597,110.28
Step by Step Solution
- Step 1: Write the proportion equation
776,860.41 : 1,072,050.84 = 432,695.28 : x - Step 2: Convert to fraction form
776,860.41/1,072,050.84 = 432,695.28/x - Step 3: Cross multiply
776,860.41x = 1,072,050.84 × 432,695.28 - Step 4: Simplify right side
776,860.41x = 463,871,338,388.04 - Step 5: Solve for x
x = 463,871,338,388.04/776,860.41 - Step 6: Final answer
x = 597,110.28
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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.