Finding the Fourth Proportional to 903,459.98, 1,247,001.36 and 613,562.06
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Solution
The fourth proportional to 903,459.98, 1,247,001.36 and 613,562.06 is: 846,869.52
Step by Step Solution
- Step 1: Write the proportion equation
903,459.98 : 1,247,001.36 = 613,562.06 : x - Step 2: Convert to fraction form
903,459.98/1,247,001.36 = 613,562.06/x - Step 3: Cross multiply
903,459.98x = 1,247,001.36 × 613,562.06 - Step 4: Simplify right side
903,459.98x = 765,112,723,264.40 - Step 5: Solve for x
x = 765,112,723,264.40/903,459.98 - Step 6: Final answer
x = 846,869.52
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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.