Finding the Fourth Proportional to 1,029,873.51, 1,544,431.05 and 355,781.79
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Solution
The fourth proportional to 1,029,873.51, 1,544,431.05 and 355,781.79 is: 533,541.68
Step by Step Solution
- Step 1: Write the proportion equation
1,029,873.51 : 1,544,431.05 = 355,781.79 : x - Step 2: Convert to fraction form
1,029,873.51/1,544,431.05 = 355,781.79/x - Step 3: Cross multiply
1,029,873.51x = 1,544,431.05 × 355,781.79 - Step 4: Simplify right side
1,029,873.51x = 549,480,443,500.58 - Step 5: Solve for x
x = 549,480,443,500.58/1,029,873.51 - Step 6: Final answer
x = 533,541.68
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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.