Finding the Fourth Proportional to 897,904.02, 1,239,133.68 and 490,032.10
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Solution
The fourth proportional to 897,904.02, 1,239,133.68 and 490,032.10 is: 676,258.55
Step by Step Solution
- Step 1: Write the proportion equation
897,904.02 : 1,239,133.68 = 490,032.10 : x - Step 2: Convert to fraction form
897,904.02/1,239,133.68 = 490,032.10/x - Step 3: Cross multiply
897,904.02x = 1,239,133.68 × 490,032.10 - Step 4: Simplify right side
897,904.02x = 607,215,270,745.30 - Step 5: Solve for x
x = 607,215,270,745.30/897,904.02 - Step 6: Final answer
x = 676,258.55
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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.