Finding the Fourth Proportional to 771,599.37, 1,064,795.61 and 427,434.24
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Solution
The fourth proportional to 771,599.37, 1,064,795.61 and 427,434.24 is: 589,852.87
Step by Step Solution
- Step 1: Write the proportion equation
771,599.37 : 1,064,795.61 = 427,434.24 : x - Step 2: Convert to fraction form
771,599.37/1,064,795.61 = 427,434.24/x - Step 3: Cross multiply
771,599.37x = 1,064,795.61 × 427,434.24 - Step 4: Simplify right side
771,599.37x = 455,130,102,315.69 - Step 5: Solve for x
x = 455,130,102,315.69/771,599.37 - Step 6: Final answer
x = 589,852.87
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1.5x scale
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.