Finding the Fourth Proportional to 851,258.64, 1,174,746.01 and 469,299.09
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Solution
The fourth proportional to 851,258.64, 1,174,746.01 and 469,299.09 is: 647,637.75
Step by Step Solution
- Step 1: Write the proportion equation
851,258.64 : 1,174,746.01 = 469,299.09 : x - Step 2: Convert to fraction form
851,258.64/1,174,746.01 = 469,299.09/x - Step 3: Cross multiply
851,258.64x = 1,174,746.01 × 469,299.09 - Step 4: Simplify right side
851,258.64x = 551,307,233,474.13 - Step 5: Solve for x
x = 551,307,233,474.13/851,258.64 - Step 6: Final answer
x = 647,637.75
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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.