Finding the Fourth Proportional to 875,257.11, 1,312,360.74 and 401,348.79
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Solution
The fourth proportional to 875,257.11, 1,312,360.74 and 401,348.79 is: 601,782.48
Step by Step Solution
- Step 1: Write the proportion equation
875,257.11 : 1,312,360.74 = 401,348.79 : x - Step 2: Convert to fraction form
875,257.11/1,312,360.74 = 401,348.79/x - Step 3: Cross multiply
875,257.11x = 1,312,360.74 × 401,348.79 - Step 4: Simplify right side
875,257.11x = 526,714,395,042.51 - Step 5: Solve for x
x = 526,714,395,042.51/875,257.11 - Step 6: Final answer
x = 601,782.48
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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.