Finding the Fourth Proportional to 520,605.14, 718,488.09 and 316,670.12
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Solution
The fourth proportional to 520,605.14, 718,488.09 and 316,670.12 is: 437,037.00
Step by Step Solution
- Step 1: Write the proportion equation
520,605.14 : 718,488.09 = 316,670.12 : x - Step 2: Convert to fraction form
520,605.14/718,488.09 = 316,670.12/x - Step 3: Cross multiply
520,605.14x = 718,488.09 × 316,670.12 - Step 4: Simplify right side
520,605.14x = 227,523,709,678.87 - Step 5: Solve for x
x = 227,523,709,678.87/520,605.14 - Step 6: Final answer
x = 437,037.00
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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.