Finding the Fourth Proportional to 474,701.70, 712,052.55 and 288,077.70
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Solution
The fourth proportional to 474,701.70, 712,052.55 and 288,077.70 is: 432,116.55
Step by Step Solution
- Step 1: Write the proportion equation
474,701.70 : 712,052.55 = 288,077.70 : x - Step 2: Convert to fraction form
474,701.70/712,052.55 = 288,077.70/x - Step 3: Cross multiply
474,701.70x = 712,052.55 × 288,077.70 - Step 4: Simplify right side
474,701.70x = 205,126,460,883.14 - Step 5: Solve for x
x = 205,126,460,883.14/474,701.70 - Step 6: Final answer
x = 432,116.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.