Finding the Fourth Proportional to 880,312.36, 1,214,840.84 and 498,330.76
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Solution
The fourth proportional to 880,312.36, 1,214,840.84 and 498,330.76 is: 687,701.99
Step by Step Solution
- Step 1: Write the proportion equation
880,312.36 : 1,214,840.84 = 498,330.76 : x - Step 2: Convert to fraction form
880,312.36/1,214,840.84 = 498,330.76/x - Step 3: Cross multiply
880,312.36x = 1,214,840.84 × 498,330.76 - Step 4: Simplify right side
880,312.36x = 605,392,559,076.24 - Step 5: Solve for x
x = 605,392,559,076.24/880,312.36 - Step 6: Final answer
x = 687,701.99
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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.