Finding the Fourth Proportional to 544,487.11, 751,281.56 and 318,088.87
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Solution
The fourth proportional to 544,487.11, 751,281.56 and 318,088.87 is: 438,897.99
Step by Step Solution
- Step 1: Write the proportion equation
544,487.11 : 751,281.56 = 318,088.87 : x - Step 2: Convert to fraction form
544,487.11/751,281.56 = 318,088.87/x - Step 3: Cross multiply
544,487.11x = 751,281.56 × 318,088.87 - Step 4: Simplify right side
544,487.11x = 238,974,300,881.79 - Step 5: Solve for x
x = 238,974,300,881.79/544,487.11 - Step 6: Final answer
x = 438,897.99
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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.