Finding the Fourth Proportional to 514,572.75, 710,110.40 and 313,368.75
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Solution
The fourth proportional to 514,572.75, 710,110.40 and 313,368.75 is: 432,448.88
Step by Step Solution
- Step 1: Write the proportion equation
514,572.75 : 710,110.40 = 313,368.75 : x - Step 2: Convert to fraction form
514,572.75/710,110.40 = 313,368.75/x - Step 3: Cross multiply
514,572.75x = 710,110.40 × 313,368.75 - Step 4: Simplify right side
514,572.75x = 222,526,406,843.16 - Step 5: Solve for x
x = 222,526,406,843.16/514,572.75 - Step 6: Final answer
x = 432,448.88
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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.