Finding the Fourth Proportional to 907,070.94, 1,251,809.57 and 519,950.75
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Solution
The fourth proportional to 907,070.94, 1,251,809.57 and 519,950.75 is: 717,561.65
Step by Step Solution
- Step 1: Write the proportion equation
907,070.94 : 1,251,809.57 = 519,950.75 : x - Step 2: Convert to fraction form
907,070.94/1,251,809.57 = 519,950.75/x - Step 3: Cross multiply
907,070.94x = 1,251,809.57 × 519,950.75 - Step 4: Simplify right side
907,070.94x = 650,879,319,819.51 - Step 5: Solve for x
x = 650,879,319,819.51/907,070.94 - Step 6: Final answer
x = 717,561.65
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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.