Finding the Fourth Proportional to 892,923.19, 1,232,428.99 and 549,055.03
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Solution
The fourth proportional to 892,923.19, 1,232,428.99 and 549,055.03 is: 757,815.84
Step by Step Solution
- Step 1: Write the proportion equation
892,923.19 : 1,232,428.99 = 549,055.03 : x - Step 2: Convert to fraction form
892,923.19/1,232,428.99 = 549,055.03/x - Step 3: Cross multiply
892,923.19x = 1,232,428.99 × 549,055.03 - Step 4: Simplify right side
892,923.19x = 676,671,336,077.32 - Step 5: Solve for x
x = 676,671,336,077.32/892,923.19 - Step 6: Final answer
x = 757,815.84
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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.