Finding the Fourth Proportional to 938,079.72, 1,406,995.19 and 264,213.99
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Solution
The fourth proportional to 938,079.72, 1,406,995.19 and 264,213.99 is: 396,285.95
Step by Step Solution
- Step 1: Write the proportion equation
938,079.72 : 1,406,995.19 = 264,213.99 : x - Step 2: Convert to fraction form
938,079.72/1,406,995.19 = 264,213.99/x - Step 3: Cross multiply
938,079.72x = 1,406,995.19 × 264,213.99 - Step 4: Simplify right side
938,079.72x = 371,747,813,060.71 - Step 5: Solve for x
x = 371,747,813,060.71/938,079.72 - Step 6: Final answer
x = 396,285.95
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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.