Finding the Fourth Proportional to 589,595.84, 813,658.08 and 321,341.12
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Solution
The fourth proportional to 589,595.84, 813,658.08 and 321,341.12 is: 443,459.37
Step by Step Solution
- Step 1: Write the proportion equation
589,595.84 : 813,658.08 = 321,341.12 : x - Step 2: Convert to fraction form
589,595.84/813,658.08 = 321,341.12/x - Step 3: Cross multiply
589,595.84x = 813,658.08 × 321,341.12 - Step 4: Simplify right side
589,595.84x = 261,461,798,724.25 - Step 5: Solve for x
x = 261,461,798,724.25/589,595.84 - Step 6: Final answer
x = 443,459.37
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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.