Finding the Fourth Proportional to 539,088.74, 743,884.97 and 297,371.30
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Solution
The fourth proportional to 539,088.74, 743,884.97 and 297,371.30 is: 410,340.67
Step by Step Solution
- Step 1: Write the proportion equation
539,088.74 : 743,884.97 = 297,371.30 : x - Step 2: Convert to fraction form
539,088.74/743,884.97 = 297,371.30/x - Step 3: Cross multiply
539,088.74x = 743,884.97 × 297,371.30 - Step 4: Simplify right side
539,088.74x = 221,210,035,373.08 - Step 5: Solve for x
x = 221,210,035,373.08/539,088.74 - Step 6: Final answer
x = 410,340.67
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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.