Finding the Fourth Proportional to 531,053.24, 732,849.42 and 289,335.08
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Solution
The fourth proportional to 531,053.24, 732,849.42 and 289,335.08 is: 399,280.20
Step by Step Solution
- Step 1: Write the proportion equation
531,053.24 : 732,849.42 = 289,335.08 : x - Step 2: Convert to fraction form
531,053.24/732,849.42 = 289,335.08/x - Step 3: Cross multiply
531,053.24x = 732,849.42 × 289,335.08 - Step 4: Simplify right side
531,053.24x = 212,039,045,563.65 - Step 5: Solve for x
x = 212,039,045,563.65/531,053.24 - Step 6: Final answer
x = 399,280.20
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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.