Finding the Fourth Proportional to 1,009,393.94, 1,392,965.01 and 550,509.62
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Solution
The fourth proportional to 1,009,393.94, 1,392,965.01 and 550,509.62 is: 759,704.02
Step by Step Solution
- Step 1: Write the proportion equation
1,009,393.94 : 1,392,965.01 = 550,509.62 : x - Step 2: Convert to fraction form
1,009,393.94/1,392,965.01 = 550,509.62/x - Step 3: Cross multiply
1,009,393.94x = 1,392,965.01 × 550,509.62 - Step 4: Simplify right side
1,009,393.94x = 766,840,638,328.40 - Step 5: Solve for x
x = 766,840,638,328.40/1,009,393.94 - Step 6: Final answer
x = 759,704.02
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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.