Finding the Fourth Proportional to 539,661.03, 744,819.74 and 313,437.75
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Solution
The fourth proportional to 539,661.03, 744,819.74 and 313,437.75 is: 432,594.92
Step by Step Solution
- Step 1: Write the proportion equation
539,661.03 : 744,819.74 = 313,437.75 : x - Step 2: Convert to fraction form
539,661.03/744,819.74 = 313,437.75/x - Step 3: Cross multiply
539,661.03x = 744,819.74 × 313,437.75 - Step 4: Simplify right side
539,661.03x = 233,454,621,894.00 - Step 5: Solve for x
x = 233,454,621,894.00/539,661.03 - Step 6: Final answer
x = 432,594.92
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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.