Finding the Fourth Proportional to 783,113.65, 1,174,670.48 and 363,209.65
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Solution
The fourth proportional to 783,113.65, 1,174,670.48 and 363,209.65 is: 544,814.48
Step by Step Solution
- Step 1: Write the proportion equation
783,113.65 : 1,174,670.48 = 363,209.65 : x - Step 2: Convert to fraction form
783,113.65/1,174,670.48 = 363,209.65/x - Step 3: Cross multiply
783,113.65x = 1,174,670.48 × 363,209.65 - Step 4: Simplify right side
783,113.65x = 426,651,652,090.08 - Step 5: Solve for x
x = 426,651,652,090.08/783,113.65 - Step 6: Final answer
x = 544,814.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.