Finding the Fourth Proportional to 457,298.14, 630,817.17 and 360,144.09
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Solution
The fourth proportional to 457,298.14, 630,817.17 and 360,144.09 is: 496,798.60
Step by Step Solution
- Step 1: Write the proportion equation
457,298.14 : 630,817.17 = 360,144.09 : x - Step 2: Convert to fraction form
457,298.14/630,817.17 = 360,144.09/x - Step 3: Cross multiply
457,298.14x = 630,817.17 × 360,144.09 - Step 4: Simplify right side
457,298.14x = 227,185,075,646.03 - Step 5: Solve for x
x = 227,185,075,646.03/457,298.14 - Step 6: Final answer
x = 496,798.60
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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.