Finding the Fourth Proportional to 677,037.08, 934,276.46 and 390,540.08
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Solution
The fourth proportional to 677,037.08, 934,276.46 and 390,540.08 is: 538,925.29
Step by Step Solution
- Step 1: Write the proportion equation
677,037.08 : 934,276.46 = 390,540.08 : x - Step 2: Convert to fraction form
677,037.08/934,276.46 = 390,540.08/x - Step 3: Cross multiply
677,037.08x = 934,276.46 × 390,540.08 - Step 4: Simplify right side
677,037.08x = 364,872,403,430.52 - Step 5: Solve for x
x = 364,872,403,430.52/677,037.08 - Step 6: Final answer
x = 538,925.29
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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.