Finding the Fourth Proportional to 518,037.14, 714,701.63 and 313,940.84
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Solution
The fourth proportional to 518,037.14, 714,701.63 and 313,940.84 is: 433,123.44
Step by Step Solution
- Step 1: Write the proportion equation
518,037.14 : 714,701.63 = 313,940.84 : x - Step 2: Convert to fraction form
518,037.14/714,701.63 = 313,940.84/x - Step 3: Cross multiply
518,037.14x = 714,701.63 × 313,940.84 - Step 4: Simplify right side
518,037.14x = 224,374,027,282.91 - Step 5: Solve for x
x = 224,374,027,282.91/518,037.14 - Step 6: Final answer
x = 433,123.44
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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.