Finding the Fourth Proportional to 844,709.12, 1,165,698.84 and 462,749.60
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Solution
The fourth proportional to 844,709.12, 1,165,698.84 and 462,749.60 is: 638,594.59
Step by Step Solution
- Step 1: Write the proportion equation
844,709.12 : 1,165,698.84 = 462,749.60 : x - Step 2: Convert to fraction form
844,709.12/1,165,698.84 = 462,749.60/x - Step 3: Cross multiply
844,709.12x = 1,165,698.84 × 462,749.60 - Step 4: Simplify right side
844,709.12x = 539,426,671,930.46 - Step 5: Solve for x
x = 539,426,671,930.46/844,709.12 - Step 6: Final answer
x = 638,594.59
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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.