Finding the Fourth Proportional to 771,599.84, 1,064,796.20 and 427,434.70
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Solution
The fourth proportional to 771,599.84, 1,064,796.20 and 427,434.70 is: 589,853.47
Step by Step Solution
- Step 1: Write the proportion equation
771,599.84 : 1,064,796.20 = 427,434.70 : x - Step 2: Convert to fraction form
771,599.84/1,064,796.20 = 427,434.70/x - Step 3: Cross multiply
771,599.84x = 1,064,796.20 × 427,434.70 - Step 4: Simplify right side
771,599.84x = 455,130,844,308.14 - Step 5: Solve for x
x = 455,130,844,308.14/771,599.84 - Step 6: Final answer
x = 589,853.47
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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.