Finding the Fourth Proportional to 728,567.99, 1,005,700.77 and 547,804.83
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Solution
The fourth proportional to 728,567.99, 1,005,700.77 and 547,804.83 is: 756,178.90
Step by Step Solution
- Step 1: Write the proportion equation
728,567.99 : 1,005,700.77 = 547,804.83 : x - Step 2: Convert to fraction form
728,567.99/1,005,700.77 = 547,804.83/x - Step 3: Cross multiply
728,567.99x = 1,005,700.77 × 547,804.83 - Step 4: Simplify right side
728,567.99x = 550,927,739,340.72 - Step 5: Solve for x
x = 550,927,739,340.72/728,567.99 - Step 6: Final answer
x = 756,178.90
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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.