Finding the Fourth Proportional to 752,464.08, 1,127,970.36 and 253,555.92
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Solution
The fourth proportional to 752,464.08, 1,127,970.36 and 253,555.92 is: 380,089.32
Step by Step Solution
- Step 1: Write the proportion equation
752,464.08 : 1,127,970.36 = 253,555.92 : x - Step 2: Convert to fraction form
752,464.08/1,127,970.36 = 253,555.92/x - Step 3: Cross multiply
752,464.08x = 1,127,970.36 × 253,555.92 - Step 4: Simplify right side
752,464.08x = 286,003,562,362.53 - Step 5: Solve for x
x = 286,003,562,362.53/752,464.08 - Step 6: Final answer
x = 380,089.32
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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.