Finding the Fourth Proportional to 906,498.90, 1,356,394.05 and 546,878.21
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Solution
The fourth proportional to 906,498.90, 1,356,394.05 and 546,878.21 is: 818,293.70
Step by Step Solution
- Step 1: Write the proportion equation
906,498.90 : 1,356,394.05 = 546,878.21 : x - Step 2: Convert to fraction form
906,498.90/1,356,394.05 = 546,878.21/x - Step 3: Cross multiply
906,498.90x = 1,356,394.05 × 546,878.21 - Step 4: Simplify right side
906,498.90x = 741,782,343,336.68 - Step 5: Solve for x
x = 741,782,343,336.68/906,498.90 - Step 6: Final answer
x = 818,293.70
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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.