Finding the Fourth Proportional to 875,838.26, 1,208,656.14 and 473,430.26
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Solution
The fourth proportional to 875,838.26, 1,208,656.14 and 473,430.26 is: 653,333.40
Step by Step Solution
- Step 1: Write the proportion equation
875,838.26 : 1,208,656.14 = 473,430.26 : x - Step 2: Convert to fraction form
875,838.26/1,208,656.14 = 473,430.26/x - Step 3: Cross multiply
875,838.26x = 1,208,656.14 × 473,430.26 - Step 4: Simplify right side
875,838.26x = 572,214,390,610.80 - Step 5: Solve for x
x = 572,214,390,610.80/875,838.26 - Step 6: Final answer
x = 653,333.40
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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.