Finding the Fourth Proportional to 497,950.40, 687,106.68 and 283,085.84
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Solution
The fourth proportional to 497,950.40, 687,106.68 and 283,085.84 is: 390,621.58
Step by Step Solution
- Step 1: Write the proportion equation
497,950.40 : 687,106.68 = 283,085.84 : x - Step 2: Convert to fraction form
497,950.40/687,106.68 = 283,085.84/x - Step 3: Cross multiply
497,950.40x = 687,106.68 × 283,085.84 - Step 4: Simplify right side
497,950.40x = 194,510,171,677.41 - Step 5: Solve for x
x = 194,510,171,677.41/497,950.40 - Step 6: Final answer
x = 390,621.58
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1.5x scale
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.