Finding the Fourth Proportional to 1,476,230.70, 2,214,346.05 and 411,437.10
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Solution
The fourth proportional to 1,476,230.70, 2,214,346.05 and 411,437.10 is: 617,155.65
Step by Step Solution
- Step 1: Write the proportion equation
1,476,230.70 : 2,214,346.05 = 411,437.10 : x - Step 2: Convert to fraction form
1,476,230.70/2,214,346.05 = 411,437.10/x - Step 3: Cross multiply
1,476,230.70x = 2,214,346.05 × 411,437.10 - Step 4: Simplify right side
1,476,230.70x = 911,064,117,208.46 - Step 5: Solve for x
x = 911,064,117,208.46/1,476,230.70 - Step 6: Final answer
x = 617,155.65
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1.5x scale
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.