Finding the Fourth Proportional to 848,122.18, 1,170,417.64 and 460,937.62
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Solution
The fourth proportional to 848,122.18, 1,170,417.64 and 460,937.62 is: 636,098.82
Step by Step Solution
- Step 1: Write the proportion equation
848,122.18 : 1,170,417.64 = 460,937.62 : x - Step 2: Convert to fraction form
848,122.18/1,170,417.64 = 460,937.62/x - Step 3: Cross multiply
848,122.18x = 1,170,417.64 × 460,937.62 - Step 4: Simplify right side
848,122.18x = 539,489,521,387.62 - Step 5: Solve for x
x = 539,489,521,387.62/848,122.18 - Step 6: Final answer
x = 636,098.82
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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.