Finding the Fourth Proportional to 942,038.26, 1,299,344.34 and 578,985.46
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Solution
The fourth proportional to 942,038.26, 1,299,344.34 and 578,985.46 is: 798,589.09
Step by Step Solution
- Step 1: Write the proportion equation
942,038.26 : 1,299,344.34 = 578,985.46 : x - Step 2: Convert to fraction form
942,038.26/1,299,344.34 = 578,985.46/x - Step 3: Cross multiply
942,038.26x = 1,299,344.34 × 578,985.46 - Step 4: Simplify right side
942,038.26x = 752,301,480,393.30 - Step 5: Solve for x
x = 752,301,480,393.30/942,038.26 - Step 6: Final answer
x = 798,589.09
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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.