Finding the Fourth Proportional to 771,426.36, 1,064,544.84 and 427,248.63
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Solution
The fourth proportional to 771,426.36, 1,064,544.84 and 427,248.63 is: 589,590.07
Step by Step Solution
- Step 1: Write the proportion equation
771,426.36 : 1,064,544.84 = 427,248.63 : x - Step 2: Convert to fraction form
771,426.36/1,064,544.84 = 427,248.63/x - Step 3: Cross multiply
771,426.36x = 1,064,544.84 × 427,248.63 - Step 4: Simplify right side
771,426.36x = 454,825,324,463.57 - Step 5: Solve for x
x = 454,825,324,463.57/771,426.36 - Step 6: Final answer
x = 589,590.07
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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.