Finding the Fourth Proportional to 854,258.76, 1,178,681.58 and 510,027.84
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Solution
The fourth proportional to 854,258.76, 1,178,681.58 and 510,027.84 is: 703,721.69
Step by Step Solution
- Step 1: Write the proportion equation
854,258.76 : 1,178,681.58 = 510,027.84 : x - Step 2: Convert to fraction form
854,258.76/1,178,681.58 = 510,027.84/x - Step 3: Cross multiply
854,258.76x = 1,178,681.58 × 510,027.84 - Step 4: Simplify right side
854,258.76x = 601,160,420,295.19 - Step 5: Solve for x
x = 601,160,420,295.19/854,258.76 - Step 6: Final answer
x = 703,721.69
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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.