Finding the Fourth Proportional to 818,929.48, 1,130,029.94 and 474,694.27
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Solution
The fourth proportional to 818,929.48, 1,130,029.94 and 474,694.27 is: 655,024.33
Step by Step Solution
- Step 1: Write the proportion equation
818,929.48 : 1,130,029.94 = 474,694.27 : x - Step 2: Convert to fraction form
818,929.48/1,130,029.94 = 474,694.27/x - Step 3: Cross multiply
818,929.48x = 1,130,029.94 × 474,694.27 - Step 4: Simplify right side
818,929.48x = 536,418,733,434.63 - Step 5: Solve for x
x = 536,418,733,434.63/818,929.48 - Step 6: Final answer
x = 655,024.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.