Finding the Fourth Proportional to 982,341.10, 1,354,899.98 and 867,416.98
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Solution
The fourth proportional to 982,341.10, 1,354,899.98 and 867,416.98 is: 1,196,390.18
Step by Step Solution
- Step 1: Write the proportion equation
982,341.10 : 1,354,899.98 = 867,416.98 : x - Step 2: Convert to fraction form
982,341.10/1,354,899.98 = 867,416.98/x - Step 3: Cross multiply
982,341.10x = 1,354,899.98 × 867,416.98 - Step 4: Simplify right side
982,341.10x = 1,175,263,248,853.66 - Step 5: Solve for x
x = 1,175,263,248,853.66/982,341.10 - Step 6: Final answer
x = 1,196,390.18
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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.