Finding the Fourth Proportional to 944,035.68, 1,415,747.28 and 312,780
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Solution
The fourth proportional to 944,035.68, 1,415,747.28 and 312,780 is: 469,068.54
Step by Step Solution
- Step 1: Write the proportion equation
944,035.68 : 1,415,747.28 = 312,780 : x - Step 2: Convert to fraction form
944,035.68/1,415,747.28 = 312,780/x - Step 3: Cross multiply
944,035.68x = 1,415,747.28 × 312,780 - Step 4: Simplify right side
944,035.68x = 442,817,434,238.40 - Step 5: Solve for x
x = 442,817,434,238.40/944,035.68 - Step 6: Final answer
x = 469,068.54
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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.