Finding the Fourth Proportional to 611,175.69, 843,421.01 and 339,246.84
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Solution
The fourth proportional to 611,175.69, 843,421.01 and 339,246.84 is: 468,159.84
Step by Step Solution
- Step 1: Write the proportion equation
611,175.69 : 843,421.01 = 339,246.84 : x - Step 2: Convert to fraction form
611,175.69/843,421.01 = 339,246.84/x - Step 3: Cross multiply
611,175.69x = 843,421.01 × 339,246.84 - Step 4: Simplify right side
611,175.69x = 286,127,913,898.70 - Step 5: Solve for x
x = 286,127,913,898.70/611,175.69 - Step 6: Final answer
x = 468,159.84
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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.