Finding the Fourth Proportional to 570,813.68, 787,530.95 and 329,090.95
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Solution
The fourth proportional to 570,813.68, 787,530.95 and 329,090.95 is: 454,034.86
Step by Step Solution
- Step 1: Write the proportion equation
570,813.68 : 787,530.95 = 329,090.95 : x - Step 2: Convert to fraction form
570,813.68/787,530.95 = 329,090.95/x - Step 3: Cross multiply
570,813.68x = 787,530.95 × 329,090.95 - Step 4: Simplify right side
570,813.68x = 259,169,310,914.09 - Step 5: Solve for x
x = 259,169,310,914.09/570,813.68 - Step 6: Final answer
x = 454,034.86
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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.