Finding the Fourth Proportional to 740,800.08, 1,022,303.16 and 401,269.68
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Solution
The fourth proportional to 740,800.08, 1,022,303.16 and 401,269.68 is: 553,751.64
Step by Step Solution
- Step 1: Write the proportion equation
740,800.08 : 1,022,303.16 = 401,269.68 : x - Step 2: Convert to fraction form
740,800.08/1,022,303.16 = 401,269.68/x - Step 3: Cross multiply
740,800.08x = 1,022,303.16 × 401,269.68 - Step 4: Simplify right side
740,800.08x = 410,219,261,876.19 - Step 5: Solve for x
x = 410,219,261,876.19/740,800.08 - Step 6: Final answer
x = 553,751.64
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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.