Finding the Fourth Proportional to 677,035.08, 934,273.71 and 390,538.08
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Solution
The fourth proportional to 677,035.08, 934,273.71 and 390,538.08 is: 538,922.53
Step by Step Solution
- Step 1: Write the proportion equation
677,035.08 : 934,273.71 = 390,538.08 : x - Step 2: Convert to fraction form
677,035.08/934,273.71 = 390,538.08/x - Step 3: Cross multiply
677,035.08x = 934,273.71 × 390,538.08 - Step 4: Simplify right side
677,035.08x = 364,869,460,897.88 - Step 5: Solve for x
x = 364,869,460,897.88/677,035.08 - Step 6: Final answer
x = 538,922.53
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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.