Finding the Fourth Proportional to 544,488.36, 751,283.28 and 318,090.12
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Solution
The fourth proportional to 544,488.36, 751,283.28 and 318,090.12 is: 438,899.72
Step by Step Solution
- Step 1: Write the proportion equation
544,488.36 : 751,283.28 = 318,090.12 : x - Step 2: Convert to fraction form
544,488.36/751,283.28 = 318,090.12/x - Step 3: Cross multiply
544,488.36x = 751,283.28 × 318,090.12 - Step 4: Simplify right side
544,488.36x = 238,975,788,689.19 - Step 5: Solve for x
x = 238,975,788,689.19/544,488.36 - Step 6: Final answer
x = 438,899.72
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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.