Finding the Fourth Proportional to 772,944.34, 1,159,423.98 and 293,043.08
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Solution
The fourth proportional to 772,944.34, 1,159,423.98 and 293,043.08 is: 439,567.45
Step by Step Solution
- Step 1: Write the proportion equation
772,944.34 : 1,159,423.98 = 293,043.08 : x - Step 2: Convert to fraction form
772,944.34/1,159,423.98 = 293,043.08/x - Step 3: Cross multiply
772,944.34x = 1,159,423.98 × 293,043.08 - Step 4: Simplify right side
772,944.34x = 339,761,175,924.71 - Step 5: Solve for x
x = 339,761,175,924.71/772,944.34 - Step 6: Final answer
x = 439,567.45
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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.