Finding the Fourth Proportional to 879,295.08, 1,213,429.34 and 476,887.08
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Solution
The fourth proportional to 879,295.08, 1,213,429.34 and 476,887.08 is: 658,105.33
Step by Step Solution
- Step 1: Write the proportion equation
879,295.08 : 1,213,429.34 = 476,887.08 : x - Step 2: Convert to fraction form
879,295.08/1,213,429.34 = 476,887.08/x - Step 3: Cross multiply
879,295.08x = 1,213,429.34 × 476,887.08 - Step 4: Simplify right side
879,295.08x = 578,668,774,738.93 - Step 5: Solve for x
x = 578,668,774,738.93/879,295.08 - Step 6: Final answer
x = 658,105.33
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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.