Finding the Fourth Proportional to 578,368.81, 798,148.73 and 323,720.00
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Solution
The fourth proportional to 578,368.81, 798,148.73 and 323,720.00 is: 446,733.47
Step by Step Solution
- Step 1: Write the proportion equation
578,368.81 : 798,148.73 = 323,720.00 : x - Step 2: Convert to fraction form
578,368.81/798,148.73 = 323,720.00/x - Step 3: Cross multiply
578,368.81x = 798,148.73 × 323,720.00 - Step 4: Simplify right side
578,368.81x = 258,376,701,266.26 - Step 5: Solve for x
x = 258,376,701,266.26/578,368.81 - Step 6: Final answer
x = 446,733.47
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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.