Finding the Fourth Proportional to 1,002,496.24, 1,503,246.68 and 319,294
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Solution
The fourth proportional to 1,002,496.24, 1,503,246.68 and 319,294 is: 478,782.49
Step by Step Solution
- Step 1: Write the proportion equation
1,002,496.24 : 1,503,246.68 = 319,294 : x - Step 2: Convert to fraction form
1,002,496.24/1,503,246.68 = 319,294/x - Step 3: Cross multiply
1,002,496.24x = 1,503,246.68 × 319,294 - Step 4: Simplify right side
1,002,496.24x = 479,977,645,443.92 - Step 5: Solve for x
x = 479,977,645,443.92/1,002,496.24 - Step 6: Final answer
x = 478,782.49
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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.