Finding the Fourth Proportional to 761,228.99, 1,050,446.76 and 417,064.44
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Solution
The fourth proportional to 761,228.99, 1,050,446.76 and 417,064.44 is: 575,521.95
Step by Step Solution
- Step 1: Write the proportion equation
761,228.99 : 1,050,446.76 = 417,064.44 : x - Step 2: Convert to fraction form
761,228.99/1,050,446.76 = 417,064.44/x - Step 3: Cross multiply
761,228.99x = 1,050,446.76 × 417,064.44 - Step 4: Simplify right side
761,228.99x = 438,103,989,709.21 - Step 5: Solve for x
x = 438,103,989,709.21/761,228.99 - Step 6: Final answer
x = 575,521.95
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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.