Finding the Fourth Proportional to 938,952.99, 1,408,576.08 and 299,400.07
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Solution
The fourth proportional to 938,952.99, 1,408,576.08 and 299,400.07 is: 449,146.85
Step by Step Solution
- Step 1: Write the proportion equation
938,952.99 : 1,408,576.08 = 299,400.07 : x - Step 2: Convert to fraction form
938,952.99/1,408,576.08 = 299,400.07/x - Step 3: Cross multiply
938,952.99x = 1,408,576.08 × 299,400.07 - Step 4: Simplify right side
938,952.99x = 421,727,779,472.21 - Step 5: Solve for x
x = 421,727,779,472.21/938,952.99 - Step 6: Final answer
x = 449,146.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.