Finding the Fourth Proportional to 605,765.60, 906,898.80 and 369,569.60
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Solution
The fourth proportional to 605,765.60, 906,898.80 and 369,569.60 is: 553,286.99
Step by Step Solution
- Step 1: Write the proportion equation
605,765.60 : 906,898.80 = 369,569.60 : x - Step 2: Convert to fraction form
605,765.60/906,898.80 = 369,569.60/x - Step 3: Cross multiply
605,765.60x = 906,898.80 × 369,569.60 - Step 4: Simplify right side
605,765.60x = 335,162,226,756.48 - Step 5: Solve for x
x = 335,162,226,756.48/605,765.60 - Step 6: Final answer
x = 553,286.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.