Finding the Fourth Proportional to 838,726.13, 1,258,459.58 and 650,819.09
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Solution
The fourth proportional to 838,726.13, 1,258,459.58 and 650,819.09 is: 976,516.04
Step by Step Solution
- Step 1: Write the proportion equation
838,726.13 : 1,258,459.58 = 650,819.09 : x - Step 2: Convert to fraction form
838,726.13/1,258,459.58 = 650,819.09/x - Step 3: Cross multiply
838,726.13x = 1,258,459.58 × 650,819.09 - Step 4: Simplify right side
838,726.13x = 819,029,518,657.38 - Step 5: Solve for x
x = 819,029,518,657.38/838,726.13 - Step 6: Final answer
x = 976,516.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.