Finding the Fourth Proportional to 995,764.10, 1,490,881.35 and 968,116.10
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Solution
The fourth proportional to 995,764.10, 1,490,881.35 and 968,116.10 is: 1,449,486.12
Step by Step Solution
- Step 1: Write the proportion equation
995,764.10 : 1,490,881.35 = 968,116.10 : x - Step 2: Convert to fraction form
995,764.10/1,490,881.35 = 968,116.10/x - Step 3: Cross multiply
995,764.10x = 1,490,881.35 × 968,116.10 - Step 4: Simplify right side
995,764.10x = 1,443,346,238,124.74 - Step 5: Solve for x
x = 1,443,346,238,124.74/995,764.10 - Step 6: Final answer
x = 1,449,486.12
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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.