Finding the Fourth Proportional to 868,590.84, 1,303,060.41 and 299,992.80
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Solution
The fourth proportional to 868,590.84, 1,303,060.41 and 299,992.80 is: 450,049.35
Step by Step Solution
- Step 1: Write the proportion equation
868,590.84 : 1,303,060.41 = 299,992.80 : x - Step 2: Convert to fraction form
868,590.84/1,303,060.41 = 299,992.80/x - Step 3: Cross multiply
868,590.84x = 1,303,060.41 × 299,992.80 - Step 4: Simplify right side
868,590.84x = 390,908,740,965.05 - Step 5: Solve for x
x = 390,908,740,965.05/868,590.84 - Step 6: Final answer
x = 450,049.35
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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.