Finding the Fourth Proportional to 749,485.04, 1,034,313.84 and 409,953
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Solution
The fourth proportional to 749,485.04, 1,034,313.84 and 409,953 is: 565,748.53
Step by Step Solution
- Step 1: Write the proportion equation
749,485.04 : 1,034,313.84 = 409,953 : x - Step 2: Convert to fraction form
749,485.04/1,034,313.84 = 409,953/x - Step 3: Cross multiply
749,485.04x = 1,034,313.84 × 409,953 - Step 4: Simplify right side
749,485.04x = 424,020,061,649.52 - Step 5: Solve for x
x = 424,020,061,649.52/749,485.04 - Step 6: Final answer
x = 565,748.53
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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.