Finding the Fourth Proportional to 779,027.42, 1,168,423.97 and 246,479.15
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Solution
The fourth proportional to 779,027.42, 1,168,423.97 and 246,479.15 is: 369,681.65
Step by Step Solution
- Step 1: Write the proportion equation
779,027.42 : 1,168,423.97 = 246,479.15 : x - Step 2: Convert to fraction form
779,027.42/1,168,423.97 = 246,479.15/x - Step 3: Cross multiply
779,027.42x = 1,168,423.97 × 246,479.15 - Step 4: Simplify right side
779,027.42x = 287,992,139,890.71 - Step 5: Solve for x
x = 287,992,139,890.71/779,027.42 - Step 6: Final answer
x = 369,681.65
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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.