Finding the Fourth Proportional to 484,457.74, 668,670.32 and 375,346.18
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Solution
The fourth proportional to 484,457.74, 668,670.32 and 375,346.18 is: 518,069.65
Step by Step Solution
- Step 1: Write the proportion equation
484,457.74 : 668,670.32 = 375,346.18 : x - Step 2: Convert to fraction form
484,457.74/668,670.32 = 375,346.18/x - Step 3: Cross multiply
484,457.74x = 668,670.32 × 375,346.18 - Step 4: Simplify right side
484,457.74x = 250,982,850,291.38 - Step 5: Solve for x
x = 250,982,850,291.38/484,457.74 - Step 6: Final answer
x = 518,069.65
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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.