Finding the Fourth Proportional to 956,585.84, 1,320,238.39 and 564,161.93
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Solution
The fourth proportional to 956,585.84, 1,320,238.39 and 564,161.93 is: 778,631.88
Step by Step Solution
- Step 1: Write the proportion equation
956,585.84 : 1,320,238.39 = 564,161.93 : x - Step 2: Convert to fraction form
956,585.84/1,320,238.39 = 564,161.93/x - Step 3: Cross multiply
956,585.84x = 1,320,238.39 × 564,161.93 - Step 4: Simplify right side
956,585.84x = 744,828,235,668.90 - Step 5: Solve for x
x = 744,828,235,668.90/956,585.84 - Step 6: Final answer
x = 778,631.88
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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.