Finding the Fourth Proportional to 906,536.64, 1,358,579.70 and 345,264.96
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Solution
The fourth proportional to 906,536.64, 1,358,579.70 and 345,264.96 is: 517,430.79
Step by Step Solution
- Step 1: Write the proportion equation
906,536.64 : 1,358,579.70 = 345,264.96 : x - Step 2: Convert to fraction form
906,536.64/1,358,579.70 = 345,264.96/x - Step 3: Cross multiply
906,536.64x = 1,358,579.70 × 345,264.96 - Step 4: Simplify right side
906,536.64x = 469,069,965,777.31 - Step 5: Solve for x
x = 469,069,965,777.31/906,536.64 - Step 6: Final answer
x = 517,430.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.