Finding the Fourth Proportional to 817,482.99, 1,224,452.21 and 395,874.75
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Solution
The fourth proportional to 817,482.99, 1,224,452.21 and 395,874.75 is: 592,953.88
Step by Step Solution
- Step 1: Write the proportion equation
817,482.99 : 1,224,452.21 = 395,874.75 : x - Step 2: Convert to fraction form
817,482.99/1,224,452.21 = 395,874.75/x - Step 3: Cross multiply
817,482.99x = 1,224,452.21 × 395,874.75 - Step 4: Simplify right side
817,482.99x = 484,729,710,541.32 - Step 5: Solve for x
x = 484,729,710,541.32/817,482.99 - Step 6: Final answer
x = 592,953.88
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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.