Finding the Fourth Proportional to 854,712.77, 1,282,506.55 and 349,646.99
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Solution
The fourth proportional to 854,712.77, 1,282,506.55 and 349,646.99 is: 524,649.41
Step by Step Solution
- Step 1: Write the proportion equation
854,712.77 : 1,282,506.55 = 349,646.99 : x - Step 2: Convert to fraction form
854,712.77/1,282,506.55 = 349,646.99/x - Step 3: Cross multiply
854,712.77x = 1,282,506.55 × 349,646.99 - Step 4: Simplify right side
854,712.77x = 448,424,547,576.13 - Step 5: Solve for x
x = 448,424,547,576.13/854,712.77 - Step 6: Final answer
x = 524,649.41
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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.