Finding the Fourth Proportional to 870,235.44, 1,201,000.92 and 507,776.07
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Solution
The fourth proportional to 870,235.44, 1,201,000.92 and 507,776.07 is: 700,775.33
Step by Step Solution
- Step 1: Write the proportion equation
870,235.44 : 1,201,000.92 = 507,776.07 : x - Step 2: Convert to fraction form
870,235.44/1,201,000.92 = 507,776.07/x - Step 3: Cross multiply
870,235.44x = 1,201,000.92 × 507,776.07 - Step 4: Simplify right side
870,235.44x = 609,839,527,223.98 - Step 5: Solve for x
x = 609,839,527,223.98/870,235.44 - Step 6: Final answer
x = 700,775.33
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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.