Finding the Fourth Proportional to 893,117.36, 1,232,507.88 and 485,219.12
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Solution
The fourth proportional to 893,117.36, 1,232,507.88 and 485,219.12 is: 669,605.59
Step by Step Solution
- Step 1: Write the proportion equation
893,117.36 : 1,232,507.88 = 485,219.12 : x - Step 2: Convert to fraction form
893,117.36/1,232,507.88 = 485,219.12/x - Step 3: Cross multiply
893,117.36x = 1,232,507.88 × 485,219.12 - Step 4: Simplify right side
893,117.36x = 598,036,382,764.13 - Step 5: Solve for x
x = 598,036,382,764.13/893,117.36 - Step 6: Final answer
x = 669,605.59
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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.