Finding the Fourth Proportional to 761,226.08, 1,050,491.96 and 417,075.05
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Solution
The fourth proportional to 761,226.08, 1,050,491.96 and 417,075.05 is: 575,563.55
Step by Step Solution
- Step 1: Write the proportion equation
761,226.08 : 1,050,491.96 = 417,075.05 : x - Step 2: Convert to fraction form
761,226.08/1,050,491.96 = 417,075.05/x - Step 3: Cross multiply
761,226.08x = 1,050,491.96 × 417,075.05 - Step 4: Simplify right side
761,226.08x = 438,133,987,065.00 - Step 5: Solve for x
x = 438,133,987,065.00/761,226.08 - Step 6: Final answer
x = 575,563.55
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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.